Patent
Suchergebnisse für: Underwood
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Patent:AT56889B
27.12.1912 Underwood (P) Computing Machine Co : Rechen-Schreibmaschine
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Patent:CH193960
30.11.1936 Underwood (P) Elliott Fisher : Zweizählwerkaddiermaschine
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Patent:CH203178
30.06.1937 Underwood (P) Elliott Fisher : Machine comptable.
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Patent:CH267435
31.03.1950 Underwood (P) : Machine à écrire et à calculer.
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Patent:CH306412
15.04.1955 Underwood (P) : Machine à calculer.
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Patent:DE243509
31.03.1908 Underwood (P) Computing Machine Co. : Antriebsvorrichtung für Rechenmaschinen
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Patent:DE246625
22.10.1909 Underwood (P) Typewriter Comp. : Zählwerk für Rechenmaschinen mit Zahlenrädern, auf denen Zahlen in verschiedenen Farben entsprechend positiven und negativen Werten aufgetragen sind
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Patent:DE246765
14.04.1909 Underwood (P) Computing Machine Comp. : Schreibaddiermaschine mit mehreren Kolonnen- und einem Zeilenaddierwerk
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Patent:DE250931
27.07.1911 Underwood (P) Computing Machine Co. : Rechenschreibmaschine
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Patent:DE254084
14.04.1908 Underwood (P) Computing Machine Co. : Ausrückbare Verbindung der Antriebsvorrichtung einer Schreibrechenmaschine mit Zahlentasten
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Patent:DE254674
11.03.1911 Underwood (P) Computing Machine Co. : Vorrichtung zur Verhinderung des Anschlagens einer Taste und des Vorrückens des Rechenwagens während eines Rechenvorganges an Schreibrechenmaschinen
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Patent:DE256046
09.07.1911 Underwood (P) Computing Machine Co. : Rechenschreibmaschine mit vom Schreibmaschinenwagen angetriebenen, zur Veränderung des Stellenwertes beweglichen Teilen der Zählwerke
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Patent:DE256506
22.07.1911 Underwood (P) Computing Machine Co. : Zehnereinstellvorrichtung bei Zählwerken
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Patent:DE257934
22.10.1908 Underwood (P) Computing Machine Co. : Von der Schreibmaschine getrennte Antriebsvorrichtung für Schreibrechenmaschinen mit mehreren Addierwerken zur gleichzeitigen Ausführung von Rechenoperationen mit senkrechten und wagrechten Zahlenreih
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Patent:DE258170
08.07.1911 Underwood (P) Computing Machine Co. : Sperrvorrichtung an Rechenschreibmaschinen, um das gleichzeitige Niederdrücken zweier Zifferntasten zu verhindern
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Patent:DE262566
23.07.1911 Underwood (P) Computing Machine Co. : Rechenschreibmaschine
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Patent:DE265926
08.07.1911 Underwood (P) Computing Machine Co. : Ein- und Ausrückvorrichtung für den Rechenmechanismus von Rechenschreibmaschinen
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Patent:DE267755
08.07.1911 Underwood (P) Computing Machine Co. : Rechenmaschine mit einem von einer Schwingwelle gesteuerten Hemmwerk zur Einleitung und Beendigung der einzelnen Rechenoperationen
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Patent:DE271394
14.04.1909 Underwood (P) Computing Machine Comp. : Zehnerübertragung für Rechenmaschinen
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Patent:DE272106
29.06.1911 Underwood (P) Computing Machine Co. : Rechen-Schreibmaschine
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Patent:DE272352
31.03.1908 Underwood (P) Computing Machine Co. : Sperrvorrichtung für die Rechenräder von solchen Schreibrechenmaschinen, deren Rechenräder durch eine von den Zahlentasten gesteuerte Stiftscheibe bewegt werden
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Patent:DE275990
30.09.1911 Underwood (P) Computing Machine Co. : Rechenschreibmaschine
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Patent:DE276824
16.07.1911 Underwood (P) Computing Machine Co. : Rechenschreibmaschine mit Sperrungen, die nach dem Anschlag einer Zifferntaste sämtliche anderen Tasten und die Rechenvorrichtung sperren, bis der Papierwagen geschaltet worden ist
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Patent:DE276825
09.03.1912 Underwood (P) Computing Machine Co. : Einrichtung zur Stellenauswahl für Schreibrechenmaschinen
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Patent:DE278085
22.09.1911 Underwood (P) Computing Machine Co. : Rechenmaschinen mit vom Schreibmaschinenwagen angetriebenen, zur Veränderung des Stellenwertes beweglichen Teilen der Zählwerke
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Patent:DE326948
03.11.1916 Underwood (P) Computing Machine Co. : Schreibrechenmaschine
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Patent:DE337650
30.03.1916 Underwood (P) : Schreibrechenmaschine
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Patent:DE358545
08.08.1916 Underwood (P) : Schreibrechenmaschine
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Patent:DE361702
15.06.1920 Underwood (P) : Schreibrechenmaschine, auf der subtrahierte Zahlen in einer von addierten Zahlen abweichenden Farbe zum Aufdruck gelangen
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Patent:DE694154
26.07.1940 Anderson, Walter Adelbert (P) Underwood (P) : Rechenmaschine
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Patent:DE927837
29.06.1951 Sundstrand, Oscar (P) Joseph Underwood (P) Corp. : Rechenmaschine
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Patent:FR1168097
25.08.1958 Underwood (P) Corp. : Additionneuse à dix touches
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Patent:FR1171371
06.10.1958 Anderson, Walter Adelbert Underwood (P) Corp. : Mécanisme de commande pour additionneuses à dix touches
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Patent:GB107207
22.06.1917 Fairweather, Harold George Crui (P) Underwood (P) Computing Machine Co. : Improvements in Combined Typewriting and Computing Machines.
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Patent:GB109994
01.10.1917 Fairweather, Wallace Cranston (P) Underwood (P) Computing Machine Co. : Combined Typewriting and Computing Machines.
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Patent:GB191103281
02.11.1911 Underwood, John Thomas (P) Underwood (P) Computing Machine Company : Improvements in and relating to Combined Adding and Typewriting Machines
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Patent:GB191113445
06.06.1912 Underwood (P) Computing Machine Com. : Improvements in or relating to computing machines
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Patent:GB191114816
21.03.1912 Underwood (P) Computing Machine Company : Improvements in Combined Adding and Typewriting Machines
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Patent:GB191114817
25.01.1912 Underwood (P) Computing Machine Comp. : Combined Typewriting and Computing Machine
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Patent:GB446320
28.04.1936 Underwood (P) Elliott Fisher (P) Co : Improvements in and relating to printing machines such as typewriters, adding machines and the like
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Patent:GB457056
20.11.1936 Underwood (P) Elliott Fisher Company : Improvements in and relating to motor driven computing machines
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Patent:GB472777
30.09.1937 Underwood (P) Elliott Fisher (P) Co : Improvements in adding machines of the ten-key type
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Patent:GB481801
14.03.1938 Underwood (P) Elliott Fisher (P) Co : Improvements in and relating to adding machines having multiple-zero keys
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Patent:GB534032
26.02.1941 Underwood (P) Elliott Fisher Co : Improvements relating to printing mechanism for accounting machines
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Patent:GB654063
06.06.1951 Underwood (P) Corp : Improvements relating to combined typewriting and calculating machines
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Patent:GB809523
25.02.1959 Underwood (P) Corp : Ten key adding and subtracting machine
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Patent:GB819284
02.09.1959 Underwood (P) Corp : Total taking mechanism in ten-key adding machines
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Patent:SE151567
12.12.1951 A H Sharpe Underwood (P) Corp.
: Förbindelseenhet för bokföringsmaskiner
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Patent:SE153355
17.11.1951 A.H. Sharpe Underwood (P) Corp.
: Styranordning för bokföringsmaskiner
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Patent:US1012607
26.12.1911 Degener, Gustave O. (P) Underwood (P) Computing Machine Comp. : Computing-machine
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Patent:US1033303
23.07.1912 Samuel E. Carlin Underwood (P) Typewriter Comp. : Calculator or register
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Patent:US1095060
28.04.1914 Wright, Walter (P) Underwood (P) Computing Machine Comp. : Adding attachment for type-writing machine
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Patent:US1104468
21.07.1914 Richard M. Becker John T. Underwood (P) : Combined type writing and computing machine
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Patent:US1146371
13.07.1915 John N. Thornton John T. Underwood (P) : Computing-machine
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Patent:US1164630
21.12.1915 Carlin, Samuel E. (P) Underwood (P) Computing Machine Comp. : Calculating machine
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Patent:US1176364
21.03.1916 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined type-writing and computing machine
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Patent:US1185143
30.05.1916 Burnham C. Stickney Underwood (P) Computing Machine Com. : Combined type-writing and computing machine
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Patent:US1185566
30.05.1916 Wright, Walter (P) Underwood (P) Computing Machine Comp. : Computing mechanism
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Patent:US1186520
06.06.1916 Stickney, Burnham (P) Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
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Patent:US1188933
27.06.1916 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
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Patent:US1189689
04.04.1916 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined type-writing and computing machine
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Patent:US1190171
04.07.1916 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined type-writing and computing machine
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Patent:US1190233
04.07.1916 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
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Patent:US1192255
25.07.1916 Wright, Walter (P) Underwood (P) Computing Machine Comp. : Combined type-writing and computing machine
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Patent:US1211148
02.01.1917 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined type writing and adding machine
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Patent:US1213100
16.01.1917 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined type-writing and computing machine
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Patent:US1224314
01.05.1917 Osmond W. Olmsted Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
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Patent:US1228404
05.06.1917 Carlin, Samuel E. (P) Underwood (P) Computing Machine Comp. : Attachment for calculating machines
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Patent:US1231523
26.06.1917 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
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Patent:US1237513
21.08.1917 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined type-writing and computing machine
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Patent:US1237895
21.08.1917 William L. Gumprecht Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
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Patent:US1237899
21.08.1917 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
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Patent:US1237900
21.08.1917 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
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Patent:US1238055
21.08.1917 John N. Thornton Underwood (P) Computing Machine Comp. : Combined type-writing and computing machine
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Patent:US1243669
16.10.1917 Richard M. Becker Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
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Patent:US1244397
23.10.1917 Wright, Walter (P) Underwood (P) Computing Machine Comp. : Computing attachment for type-writers
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Patent:US1246889
20.11.1917 Gustave O. Degener Underwood (P) Computing Machine Com. : Combined type-writing and computing machine
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Patent:US1248281
27.11.1917 Dennis, A.S. (P) Underwood (P) Computing Machine Comp. : Computing-machine
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Patent:US1254627
22.01.1918 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined type writing-and computing machine
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Patent:US1255828
05.02.1918 Fred Walsleben Underwood (P) Computing Machine Comp. : Combined type-writing and computing machine
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Patent:US1260728
26.03.1918 Stickney, Burnham (P) Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
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Patent:US1263339
16.04.1918 Pitman, Henry (P) Underwood (P) Computing Machine Com. : Combined type-writing and computing machine
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Patent:US1263881
23.04.1918 Emmit G. Griffith Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
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Patent:US1268565
04.06.1918 William L. Gumprecht Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
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Patent:US1269797
18.06.1918 Emerson C. Eachel Underwood (P) Computing Machine Comp. : Combined type-writing and computing machine
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Patent:US1270242
18.06.1918 Stickney, Burnham (P) Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
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Patent:US1270243
18.06.1918 Stickney, Burnham (P) Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
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Patent:US1270411
25.06.1918 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
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Patent:US1274136
30.07.1918 Carlin, Samuel E. (P) Underwood (P) Computing Machine Comp. : Calculating-machine
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Patent:US1274365
06.08.1918 Walter E. Barnard Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
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Patent:US1275528
13.08.1918 Carlin, Samuel E. (P) Underwood (P) Computing Machine Comp. : Calculating machine
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Patent:US1278062
03.09.1918 Harry H. Vickers Underwood (P) Computing Machine Comp. : Combined type-writing and computing machine
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Patent:US1278812
10.09.1918 Hanson, Hans (P) Underwood (P) Computing Machine Co : Combined typewriting and computing machine
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Patent:US1279687
24.09.1918 Hanson, Hans (P) Underwood (P) Computing Machine Com. : Combined type-writing and computing machine
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Patent:US1279688
24.09.1918 Hanson, Hans (P) Underwood (P) Computing Machine Comp. : Combined type-writing and computing machine
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Patent:US1279861
24.09.1918 Hanson, Hans (P) Underwood (P) Computing Machine Com. : Combined type-writing and computing machine
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Patent:US1279863
24.09.1918 Hanson, Hans (P) Underwood (P) Computing Machine Comp. : Combined type-writing and computing machine
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Patent:US1280065
24.09.1918 Ogden Minton Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
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Patent:US1280228
01.10.1918 Richard F. Hoyt Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
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Patent:US1281362
15.10.1918 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
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Patent:US1281953
15.10.1918 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
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Patent:US1282820
29.10.1918 Hanson, Hans (P) Underwood (P) Computing Machine Com. : Combined type-writing and computing machine
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Patent:US1282823
29.10.1918 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
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Patent:US1283360
29.10.1918 John N. Thornton Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
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Patent:US1285150
19.11.1918 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
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Patent:US1285297
19.11.1918 Holmes Marshall Underwood (P) Computing Machine Comp. : Combined type-writing and computing machine
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Patent:US1287218
10.12.1918 Carlin, Samuel E. (P) Underwood (P) Computing Machine Comp. : Calculating machine
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Patent:US1287301
10.12.1918 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined type-writing and computing machine
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Patent:US1287517
10.12.1918 Edward Thomas Underwood (P) Computing Machine Comp. : Combined type-writing and computing machine
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Patent:US1287559
10.12.1918 Wright, Walter (P) Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
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Patent:US1288259
17.12.1918 Stickney, Burnham (P) Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
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Patent:US1288333
17.12.1918 Horatio Whiting Underwood (P) Computing Machine Comp. : Combined type-writing and computing machine
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Patent:US1291859
21.01.1919 Hanson, Hans (P) Underwood (P) Computing Machine Comp. : Combined type-writing-and computing machine
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Patent:US1293234
04.02.1919 Burnham C. Stickney Underwood (P) Computing Machine Com. : Combined type-writing and computing machine
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Patent:US1296354
04.03.1919 Richard M. Becker Underwood (P) Computing Machine Comp. : Combined type-writing and computing machine
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Patent:US1296355
04.03.1919 Richard M. Becker Underwood (P) Computing Machine Comp. : Combined type-writing and computing machine
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Patent:US1296953
11.03.1919 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
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Patent:US1298720
01.04.1919 Richard F. Hoyt Underwood (P) Computing Machine Comp. : Combined type-writing and computing machine
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Patent:US1299052
01.04.1919 Andrew W. Steiger Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
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Patent:US1299646
08.04.1919 Alfred J. Wood Underwood (P) Computing Machine Comp. : Combined type-writing and computing machine
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Patent:US1302032
29.04.1919 William L. Gumprecht Underwood (P) Computing Machine Comp. : Combined type-writing and computing machine
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Patent:US1302050
29.04.1919 Oscar L. Ingram Underwood (P) Computing Machine Com. : Combined type-writing and computing machine
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Patent:US1305537
03.06.1919 William L. Gumprecht Underwood (P) Computing Machine Co : Combined type writing and computing machine
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Patent:US1308506
01.07.1919 Pitman, Henry L. (P) Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
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Patent:US1311041
22.07.1919 Carlin, Samuel E. (P) Underwood (P) Computing Machine Comp. : Calculating machine
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Patent:US1312018
05.08.1919 Carlin, Samuel E. (P) Underwood (P) Computing Machine Comp. : Calculating machine
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Patent:US1313517
19.08.1919 Carlin, Samuel E. (P) Underwood (P) Computing Machine Comp. : Calculating machine
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Patent:US1317965
07.10.1919 Dennis, A.S. (P) Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
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Patent:US1324460
09.12.1919 Clarence R. Martineau John T. Underwood (P) : Mechanical adding device
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Patent:US1325469
16.12.1919 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined type-writing and computing machine
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Patent:US1329871
03.02.1920 Horatio Whiting Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
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Patent:US1339704
11.05.1920 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
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Patent:US1339796
11.05.1920 Stickney, Burnham (P) Underwood (P) Computing Machine Comp. : Combined adding and typewriting machine
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Patent:US1345102
29.06.1920 Pitman, Henry L. (P) Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
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Patent:US1345460
06.07.1920 Pitman, Henry L. (P) Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
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Patent:US1345877
06.07.1920 Pitman, Henry L. (P) Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
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Patent:US1347621
27.07.1920 Gustave O. Degener Underwood (P) Computing Machine Com. : Combined typewriting and computing machine
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Patent:US1349246
10.08.1920 Walter Wright Underwood (P) Computing Machine Com. : Combined typewriting and computing machine
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Patent:US1349386
10.08.1920 Pitman, Henry L. (P) Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
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Patent:US1354778
05.10.1920 Pitman, Henry L. (P) Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
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Patent:US1356072
19.10.1920 Adolph G. Kupetz Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
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Patent:US1369065
22.02.1921 John Waldheim Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
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Patent:US1369791
01.03.1921 Benjamin M. des Jardins Underwood (P) Computing Machine Comp. : Computing machine
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Patent:US1370238
01.03.1921 Stickney, Burnham (P) Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
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Patent:US1370239
01.03.1921 Stickney, Burnham (P) Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
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Patent:US1370360
01.03.1921 Pitman, Henry L. (P) Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
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Patent:US1370426
01.03.1921 Louis E. Giles Underwood (P) Computing Machine Comp. : Computing machine
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Patent:US1370428
01.03.1921 Louis E. Giles Underwood (P) Computing Machine Comp. : Computing machine
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Patent:US1370475
01.03.1921 Carl E. Norin Underwood (P) Computing Machine Comp. : Combined typewriting and computing-machine
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Patent:US1376518
03.05.1921 Julius Duckstine Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
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Patent:US1382286
21.06.1921 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
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Patent:US1388218
23.08.1921 Edward Thomas Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
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Patent:US1388257
23.08.1921 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
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Patent:US1389232
30.08.1921 Lester A. Wernery Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
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Patent:US1390278
13.09.1921 Degener, Gustave O. (P) Underwood (P) Computing Machine Comp. : Computing-machine
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Patent:US1400842
20.12.1921 Harry H. Vickers Underwood (P) Computing Machine Comp. : Combined typewriting- and computing machine
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Patent:US1402812
10.01.1922 Harry H. Vickers Underwood (P) Computing Machine Co : Combined typewriting and computing machine
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Patent:US1403361
10.01.1922 John Waldheim Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
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Patent:US1416464
16.05.1922 Hanson, Hans (P) Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
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Patent:US1433737
31.10.1922 Frank Lewis Morgan John T. Underwood (P) : Combined typewriting and computing machine
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Patent:US1438014
05.12.1922 Frank W. Blake Underwood (P) Computing Machine Com. : Computing machine
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Patent:US1438718
12.12.1922 Alfred E. Oswald Underwood (P) Computing Machine Com. : Combined typewriting and computing machine
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Patent:US1452162
17.04.1923 Adolph G. Kupetz Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
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Patent:US1455280
15.05.1923 Harry H. Vickers Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
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Patent:US1456660
29.05.1923 Harry H. Vickebs Underwood (P) Computing Machine Comp. : Computing machine
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Patent:US1460469
03.07.1923 Ansart, Louis L. Underwood (P) Computing Machine Comp. : Computing machine
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Patent:US1463155
31.07.1923 Frank K. Davis Charles Taylor Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
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Patent:US1463254
31.07.1923 Frederick U. Conard Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
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Patent:US1475152
20.11.1923 Wright, Walter (P) Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
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Patent:US1491167
22.04.1924 Poole, Arthur (P) Underwood (P) Computing Machine Comp. : Calculating machine
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Patent:US1499326
01.07.1924 Louis L. Ansart Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
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Patent:US1504800
12.08.1924 John A. Wherry Underwood (P) Typewriter Comp. : Combined typewriting and computing machine
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Patent:US1528390
03.03.1925 Louis L. Ansart Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
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Patent:US1576575
16.03.1926 Frederick U. Conard Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
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Patent:US2011310
13.08.1935 Anderson, Walter (P) Underwood (P) Elliott Fisher Comp. : Bichrome ribbon mechanism for computing machines
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Patent:US2075540
30.03.1937 Pitman, Henry (P) Underwood (P) Elliott Fisher Comp. : Combined typewriting and computing machine
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Patent:US2090845
24.08.1937 Alfred G. F. Kurowski Underwood (P) Elliott Fisher Comp. : Combined typewriting and computing machine
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Patent:US2098972
16.11.1937 Pitman, Henry (P) Underwood (P) Elliott Fisher Comp. : Combined typewriting and computing machine
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Patent:US2172004
05.09.1939 Anderson, Walter (P) Underwood (P) Elliott Fisher (P) Co : Supporting foot for adding machines
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Patent:US2182110
05.12.1939 Anderson, Walter (P) Underwood (P) Elliott Fisher Comp. : Accounting machine
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Patent:US2196487
09.04.1940 Anderson, Walter (P) Underwood (P) Elliott Fisher Comp. : Paper handling mechanism for accounting machines
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Patent:US2229905
28.01.1941 Sundstrand, Oscar (P) Underwood (P) Corp. : Accounting machine
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Patent:US2267885
30.12.1941 Anderson, Walter (P) Underwood (P) Elliott Fisher Comp. : Printing mechanism for computing machines
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Patent:US2270614
20.01.1942 Anderson, Walter (P) Underwood (P) Elliott Fisher Comp. : Accounting machine
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Patent:US2285640
09.06.1942 Anderson, Walter (P) Underwood (P) Elliott Fisher Comp. : Accounting machine
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Patent:US2289403
14.07.1942 Anderson, Walter (P) Underwood (P) Elliott Fisher Comp. : Accounting machine
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Patent:US2308216
12.01.1943 Sundstrand, Oscar (P); Walter A. Anderson (P) Underwood (P) Elliott Fisher Comp. : Accounting machine
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Patent:US2330660
28.09.1943 Anderson, Walter (P) Underwood (P) Corp. : Tabulating mechanism for accounting machines
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Patent:US2349769
23.05.1944 Anderson, Walter (P) und Sundstrand, Oscar (P) Underwood (P) Elliott Fisher (P) Co : Printing mechanism for adding and accounting machines
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Patent:US2357571
05.09.1944 Anderson, Walter (P) Underwood (P) Corp. : Cycle control in accounting machines
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Patent:US2374374
24.04.1945 Samuel A. Neidich Underwood (P) Corp. : Multiplying machine
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Patent:US2382195
14.08.1945 Anderson, Walter (P) Underwood (P) Corp. : Carriage control for accounting machines
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Patent:US2398395
16.04.1946 Pitman, Henry L. (P) Underwood (P) Corp. : Combined typewriting and computing machine
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Patent:US2400949
28.05.1946 Richard W. Pitman Underwood (P) Computing Machine Com. : Business machine
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Patent:US2405268
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18.01.1949 Walter E. Lippert Underwood (P) Corp. : Computing machine
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18.01.1949 Sundstrand, Oscar (P) Underwood (P) Corp. : Accounting machine
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10.01.1950 Anderson, Walter (P) Underwood (P) Corp. : Load equalizing for differential actuators
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02.01.1951 Anderson, Walter (P) Underwood (P) Corp. : Front-feed device
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20.03.1951 Sundstrand, Oscar (P) Underwood (P) Corp : Printing and punching means for accounting machines
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17.04.1951 Elmer L. Wise Underwood (P) Corp. : Register control locking means for accounting machines
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24.07.1951 Anderson, Walter (P) Underwood (P) Corp. : Power carriage return mechanism and safety features
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21.08.1951 Arthur Leon Booten Underwood (P) Corp. : Paper feeding mechanism for accounting machines
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29.01.1952 Richard W. Pitman Underwood (P) Computing Machine Com. : Automatic old balance pickup means
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09.12.1952 Anderson, Walter (P) Underwood (P) Corp. : Type bar restraining means
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13.01.1953 Sundstrand, Oscar (P) Underwood (P) Corp. : Total taking means for typewriter-computers
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10.03.1953 Anderson, Walter (P) Underwood (P) Corp. : Automatic carriage return control
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07.04.1953 Anderson, Walter (P) Underwood (P) Corp. : Removable control plate for accounting machines
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16.06.1953 Anderson, Walter (P) Underwood (P) Corp. : Register selecting mechanism for accounting machines
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30.06.1953 Sharpe, Arthur (P) Underwood (P) Corp. : Totalizer function selection and symbol printing mechanism
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04.08.1953 Anderson, Walter (P) Underwood (P) Computing Machine Com. : Skip tabulating mechanism for accounting machines
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01.09.1953 William H. von Hacht Underwood (P) Corp. : Automatic skip-tab tabulating mechanism for accounting machines
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01.09.1953 Swanson, Oscar (P) Underwood (P) Corp. : Accounting machine having relatively adjustable paper and control carriages
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24.11.1953 George K. Schulz Underwood (P) Corp. : Carriage controlled totalizer control mechanism
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05.01.1954 Sharpe, Arthur (P) Underwood (P) Corp. : Automatic control for accounting machines
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09.02.1954 Swanson, Oscar (P) Underwood (P) Corp. : Total printing control mechanism
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26.04.1955 Sharpe, Arthur (P) Underwood (P) Corp. : Combined typewriting and accounting machine
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26.04.1955 Wise, E. L. (P) Underwood (P) : Ten-Key Indexing System
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07.06.1955 Swanson, Oscar (P) Underwood (P) Corp. : Correction key mechanism for adding machine
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07.02.1956 Anderson, W. A. (P) Underwood (P) : Entry Correction Mechanism for Printing or Computing Machines
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05.06.1956 Latour, P. (P) Underwood (P) : Mechanism for Reindexing a Total in an Accounting Machine
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09.10.1956 Swanson, Oscar (P) Underwood (P) Corp. : Type bar control for accounting machines
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05.11.1957 Hermann Gruener Underwood (P) Computing Machine Com. : Combined paper feed and function control mechanism
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17.12.1957 William G. Beach Underwood (P) Corp. : Power movement control for business machine
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11.02.1958 Richard W. Pitman Underwood (P) Computing Machine Com. : Register engaging mechanism
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14.10.1958 William J. Hildebrandt Richard W. Yerks Vincent A. Malatesta Underwood (P) Corp. : Bi-directional tabulating mechanism
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28.06.1960 Anderson, Walter (P) Underwood (P) : Actuating mechanism for ten key adding machines
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24.01.1961 Anderson, Walter (P) Underwood (P) Corp. : Signal printing mechanism
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12.03.1940 Anderson Underwood (P) : Computing Machine
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06.11.1951 Lurelle V.A. Guild Underwood (P) Corp. : Accounting machine
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