Patent

Suchergebnisse für: Underwood

Patent:AT56889B 27.12.1912 Underwood (P) Computing Machine Co : Rechen-Schreibmaschine
Patent:CH193960 30.11.1936 Underwood (P) Elliott Fisher : Zweizählwerkaddiermaschine
Patent:CH203178 30.06.1937 Underwood (P) Elliott Fisher : Machine comptable.
Patent:CH267435 31.03.1950 Underwood (P) : Machine à écrire et à calculer.
Patent:CH306412 15.04.1955 Underwood (P) : Machine à calculer.
Patent:DE243509 31.03.1908 Underwood (P) Computing Machine Co. : Antriebsvorrichtung für Rechenmaschinen
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
Patent:DE246765 14.04.1909 Underwood (P) Computing Machine Comp. : Schreibaddiermaschine mit mehreren Kolonnen- und einem Zeilenaddierwerk
Patent:DE250931 27.07.1911 Underwood (P) Computing Machine Co. : Rechenschreibmaschine
Patent:DE254084 14.04.1908 Underwood (P) Computing Machine Co. : Ausrückbare Verbindung der Antriebsvorrichtung einer Schreibrechenmaschine mit Zahlentasten
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
Patent:DE256046 09.07.1911 Underwood (P) Computing Machine Co. : Rechenschreibmaschine mit vom Schreibmaschinenwagen angetriebenen, zur Veränderung des Stellenwertes beweglichen Teilen der Zählwerke
Patent:DE256506 22.07.1911 Underwood (P) Computing Machine Co. : Zehnereinstellvorrichtung bei Zählwerken
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
Patent:DE258170 08.07.1911 Underwood (P) Computing Machine Co. : Sperrvorrichtung an Rechenschreibmaschinen, um das gleichzeitige Niederdrücken zweier Zifferntasten zu verhindern
Patent:DE262566 23.07.1911 Underwood (P) Computing Machine Co. : Rechenschreibmaschine
Patent:DE265926 08.07.1911 Underwood (P) Computing Machine Co. : Ein- und Ausrückvorrichtung für den Rechenmechanismus von Rechenschreibmaschinen
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
Patent:DE271394 14.04.1909 Underwood (P) Computing Machine Comp. : Zehnerübertragung für Rechenmaschinen
Patent:DE272106 29.06.1911 Underwood (P) Computing Machine Co. : Rechen-Schreibmaschine
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
Patent:DE275990 30.09.1911 Underwood (P) Computing Machine Co. : Rechenschreibmaschine
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
Patent:DE276825 09.03.1912 Underwood (P) Computing Machine Co. : Einrichtung zur Stellenauswahl für Schreibrechenmaschinen
Patent:DE278085 22.09.1911 Underwood (P) Computing Machine Co. : Rechenmaschinen mit vom Schreibmaschinenwagen angetriebenen, zur Veränderung des Stellenwertes beweglichen Teilen der Zählwerke
Patent:DE326948 03.11.1916 Underwood (P) Computing Machine Co. : Schreibrechenmaschine
Patent:DE337650 30.03.1916 Underwood (P) : Schreibrechenmaschine
Patent:DE358545 08.08.1916 Underwood (P) : Schreibrechenmaschine
Patent:DE361702 15.06.1920 Underwood (P) : Schreibrechenmaschine, auf der subtrahierte Zahlen in einer von addierten Zahlen abweichenden Farbe zum Aufdruck gelangen
Patent:DE694154 26.07.1940 Anderson, Walter Adelbert (P) Underwood (P) : Rechenmaschine
Patent:DE927837 29.06.1951 Sundstrand, Oscar (P) Joseph Underwood (P) Corp. : Rechenmaschine
Patent:FR1168097 25.08.1958 Underwood (P) Corp. : Additionneuse à dix touches
Patent:FR1171371 06.10.1958 Anderson, Walter Adelbert Underwood (P) Corp. : Mécanisme de commande pour additionneuses à dix touches
Patent:GB107207 22.06.1917 Fairweather, Harold George Crui (P) Underwood (P) Computing Machine Co. : Improvements in Combined Typewriting and Computing Machines.
Patent:GB109994 01.10.1917 Fairweather, Wallace Cranston (P) Underwood (P) Computing Machine Co. : Combined Typewriting and Computing Machines.
Patent:GB191103281 02.11.1911 Underwood, John Thomas (P) Underwood (P) Computing Machine Company : Improvements in and relating to Combined Adding and Typewriting Machines
Patent:GB191113445 06.06.1912 Underwood (P) Computing Machine Com. : Improvements in or relating to computing machines
Patent:GB191114816 21.03.1912 Underwood (P) Computing Machine Company : Improvements in Combined Adding and Typewriting Machines
Patent:GB191114817 25.01.1912 Underwood (P) Computing Machine Comp. : Combined Typewriting and Computing Machine
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
Patent:GB457056 20.11.1936 Underwood (P) Elliott Fisher Company : Improvements in and relating to motor driven computing machines
Patent:GB472777 30.09.1937 Underwood (P) Elliott Fisher (P) Co : Improvements in adding machines of the ten-key type
Patent:GB481801 14.03.1938 Underwood (P) Elliott Fisher (P) Co : Improvements in and relating to adding machines having multiple-zero keys
Patent:GB534032 26.02.1941 Underwood (P) Elliott Fisher Co : Improvements relating to printing mechanism for accounting machines
Patent:GB654063 06.06.1951 Underwood (P) Corp : Improvements relating to combined typewriting and calculating machines
Patent:GB809523 25.02.1959 Underwood (P) Corp : Ten key adding and subtracting machine
Patent:GB819284 02.09.1959 Underwood (P) Corp : Total taking mechanism in ten-key adding machines
Patent:SE151567 12.12.1951 A H Sharpe Underwood (P) Corp. : Förbindelseenhet för bokföringsmaskiner
Patent:SE153355 17.11.1951 A.H. Sharpe Underwood (P) Corp. : Styranordning för bokföringsmaskiner
Patent:US1012607 26.12.1911 Degener, Gustave O. (P) Underwood (P) Computing Machine Comp. : Computing-machine
Patent:US1033303 23.07.1912 Samuel E. Carlin Underwood (P) Typewriter Comp. : Calculator or register
Patent:US1095060 28.04.1914 Wright, Walter (P) Underwood (P) Computing Machine Comp. : Adding attachment for type-writing machine
Patent:US1104468 21.07.1914 Richard M. Becker John T. Underwood (P) : Combined type writing and computing machine
Patent:US1146371 13.07.1915 John N. Thornton John T. Underwood (P) : Computing-machine
Patent:US1164630 21.12.1915 Carlin, Samuel E. (P) Underwood (P) Computing Machine Comp. : Calculating machine
Patent:US1176364 21.03.1916 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined type-writing and computing machine
Patent:US1185143 30.05.1916 Burnham C. Stickney Underwood (P) Computing Machine Com. : Combined type-writing and computing machine
Patent:US1185566 30.05.1916 Wright, Walter (P) Underwood (P) Computing Machine Comp. : Computing mechanism
Patent:US1186520 06.06.1916 Stickney, Burnham (P) Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
Patent:US1188933 27.06.1916 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
Patent:US1189689 04.04.1916 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined type-writing and computing machine
Patent:US1190171 04.07.1916 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined type-writing and computing machine
Patent:US1190233 04.07.1916 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
Patent:US1192255 25.07.1916 Wright, Walter (P) Underwood (P) Computing Machine Comp. : Combined type-writing and computing machine
Patent:US1211148 02.01.1917 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined type writing and adding machine
Patent:US1213100 16.01.1917 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined type-writing and computing machine
Patent:US1224314 01.05.1917 Osmond W. Olmsted Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
Patent:US1228404 05.06.1917 Carlin, Samuel E. (P) Underwood (P) Computing Machine Comp. : Attachment for calculating machines
Patent:US1231523 26.06.1917 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
Patent:US1237513 21.08.1917 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined type-writing and computing machine
Patent:US1237895 21.08.1917 William L. Gumprecht Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
Patent:US1237899 21.08.1917 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
Patent:US1237900 21.08.1917 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
Patent:US1238055 21.08.1917 John N. Thornton Underwood (P) Computing Machine Comp. : Combined type-writing and computing machine
Patent:US1243669 16.10.1917 Richard M. Becker Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
Patent:US1244397 23.10.1917 Wright, Walter (P) Underwood (P) Computing Machine Comp. : Computing attachment for type-writers
Patent:US1246889 20.11.1917 Gustave O. Degener Underwood (P) Computing Machine Com. : Combined type-writing and computing machine
Patent:US1248281 27.11.1917 Dennis, A.S. (P) Underwood (P) Computing Machine Comp. : Computing-machine
Patent:US1254627 22.01.1918 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined type writing-and computing machine
Patent:US1255828 05.02.1918 Fred Walsleben Underwood (P) Computing Machine Comp. : Combined type-writing and computing machine
Patent:US1260728 26.03.1918 Stickney, Burnham (P) Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
Patent:US1263339 16.04.1918 Pitman, Henry (P) Underwood (P) Computing Machine Com. : Combined type-writing and computing machine
Patent:US1263881 23.04.1918 Emmit G. Griffith Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
Patent:US1268565 04.06.1918 William L. Gumprecht Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
Patent:US1269797 18.06.1918 Emerson C. Eachel Underwood (P) Computing Machine Comp. : Combined type-writing and computing machine
Patent:US1270242 18.06.1918 Stickney, Burnham (P) Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
Patent:US1270243 18.06.1918 Stickney, Burnham (P) Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
Patent:US1270411 25.06.1918 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
Patent:US1274136 30.07.1918 Carlin, Samuel E. (P) Underwood (P) Computing Machine Comp. : Calculating-machine
Patent:US1274365 06.08.1918 Walter E. Barnard Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
Patent:US1275528 13.08.1918 Carlin, Samuel E. (P) Underwood (P) Computing Machine Comp. : Calculating machine
Patent:US1278062 03.09.1918 Harry H. Vickers Underwood (P) Computing Machine Comp. : Combined type-writing and computing machine
Patent:US1278812 10.09.1918 Hanson, Hans (P) Underwood (P) Computing Machine Co : Combined typewriting and computing machine
Patent:US1279687 24.09.1918 Hanson, Hans (P) Underwood (P) Computing Machine Com. : Combined type-writing and computing machine
Patent:US1279688 24.09.1918 Hanson, Hans (P) Underwood (P) Computing Machine Comp. : Combined type-writing and computing machine
Patent:US1279861 24.09.1918 Hanson, Hans (P) Underwood (P) Computing Machine Com. : Combined type-writing and computing machine
Patent:US1279863 24.09.1918 Hanson, Hans (P) Underwood (P) Computing Machine Comp. : Combined type-writing and computing machine
Patent:US1280065 24.09.1918 Ogden Minton Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
Patent:US1280228 01.10.1918 Richard F. Hoyt Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
Patent:US1281362 15.10.1918 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
Patent:US1281953 15.10.1918 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
Patent:US1282820 29.10.1918 Hanson, Hans (P) Underwood (P) Computing Machine Com. : Combined type-writing and computing machine
Patent:US1282823 29.10.1918 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
Patent:US1283360 29.10.1918 John N. Thornton Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
Patent:US1285150 19.11.1918 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
Patent:US1285297 19.11.1918 Holmes Marshall Underwood (P) Computing Machine Comp. : Combined type-writing and computing machine
Patent:US1287218 10.12.1918 Carlin, Samuel E. (P) Underwood (P) Computing Machine Comp. : Calculating machine
Patent:US1287301 10.12.1918 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined type-writing and computing machine
Patent:US1287517 10.12.1918 Edward Thomas Underwood (P) Computing Machine Comp. : Combined type-writing and computing machine
Patent:US1287559 10.12.1918 Wright, Walter (P) Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
Patent:US1288259 17.12.1918 Stickney, Burnham (P) Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
Patent:US1288333 17.12.1918 Horatio Whiting Underwood (P) Computing Machine Comp. : Combined type-writing and computing machine
Patent:US1291859 21.01.1919 Hanson, Hans (P) Underwood (P) Computing Machine Comp. : Combined type-writing-and computing machine
Patent:US1293234 04.02.1919 Burnham C. Stickney Underwood (P) Computing Machine Com. : Combined type-writing and computing machine
Patent:US1296354 04.03.1919 Richard M. Becker Underwood (P) Computing Machine Comp. : Combined type-writing and computing machine
Patent:US1296355 04.03.1919 Richard M. Becker Underwood (P) Computing Machine Comp. : Combined type-writing and computing machine
Patent:US1296953 11.03.1919 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
Patent:US1298720 01.04.1919 Richard F. Hoyt Underwood (P) Computing Machine Comp. : Combined type-writing and computing machine
Patent:US1299052 01.04.1919 Andrew W. Steiger Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
Patent:US1299646 08.04.1919 Alfred J. Wood Underwood (P) Computing Machine Comp. : Combined type-writing and computing machine
Patent:US1302032 29.04.1919 William L. Gumprecht Underwood (P) Computing Machine Comp. : Combined type-writing and computing machine
Patent:US1302050 29.04.1919 Oscar L. Ingram Underwood (P) Computing Machine Com. : Combined type-writing and computing machine
Patent:US1305537 03.06.1919 William L. Gumprecht Underwood (P) Computing Machine Co : Combined type writing and computing machine
Patent:US1308506 01.07.1919 Pitman, Henry L. (P) Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
Patent:US1311041 22.07.1919 Carlin, Samuel E. (P) Underwood (P) Computing Machine Comp. : Calculating machine
Patent:US1312018 05.08.1919 Carlin, Samuel E. (P) Underwood (P) Computing Machine Comp. : Calculating machine
Patent:US1313517 19.08.1919 Carlin, Samuel E. (P) Underwood (P) Computing Machine Comp. : Calculating machine
Patent:US1317965 07.10.1919 Dennis, A.S. (P) Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
Patent:US1324460 09.12.1919 Clarence R. Martineau John T. Underwood (P) : Mechanical adding device
Patent:US1325469 16.12.1919 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined type-writing and computing machine
Patent:US1329871 03.02.1920 Horatio Whiting Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
Patent:US1339704 11.05.1920 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
Patent:US1339796 11.05.1920 Stickney, Burnham (P) Underwood (P) Computing Machine Comp. : Combined adding and typewriting machine
Patent:US1345102 29.06.1920 Pitman, Henry L. (P) Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
Patent:US1345460 06.07.1920 Pitman, Henry L. (P) Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
Patent:US1345877 06.07.1920 Pitman, Henry L. (P) Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
Patent:US1347621 27.07.1920 Gustave O. Degener Underwood (P) Computing Machine Com. : Combined typewriting and computing machine
Patent:US1349246 10.08.1920 Walter Wright Underwood (P) Computing Machine Com. : Combined typewriting and computing machine
Patent:US1349386 10.08.1920 Pitman, Henry L. (P) Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
Patent:US1354778 05.10.1920 Pitman, Henry L. (P) Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
Patent:US1356072 19.10.1920 Adolph G. Kupetz Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
Patent:US1369065 22.02.1921 John Waldheim Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
Patent:US1369791 01.03.1921 Benjamin M. des Jardins Underwood (P) Computing Machine Comp. : Computing machine
Patent:US1370238 01.03.1921 Stickney, Burnham (P) Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
Patent:US1370239 01.03.1921 Stickney, Burnham (P) Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
Patent:US1370360 01.03.1921 Pitman, Henry L. (P) Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
Patent:US1370426 01.03.1921 Louis E. Giles Underwood (P) Computing Machine Comp. : Computing machine
Patent:US1370428 01.03.1921 Louis E. Giles Underwood (P) Computing Machine Comp. : Computing machine
Patent:US1370475 01.03.1921 Carl E. Norin Underwood (P) Computing Machine Comp. : Combined typewriting and computing-machine
Patent:US1376518 03.05.1921 Julius Duckstine Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
Patent:US1382286 21.06.1921 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
Patent:US1388218 23.08.1921 Edward Thomas Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
Patent:US1388257 23.08.1921 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
Patent:US1389232 30.08.1921 Lester A. Wernery Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
Patent:US1390278 13.09.1921 Degener, Gustave O. (P) Underwood (P) Computing Machine Comp. : Computing-machine
Patent:US1400842 20.12.1921 Harry H. Vickers Underwood (P) Computing Machine Comp. : Combined typewriting- and computing machine
Patent:US1402812 10.01.1922 Harry H. Vickers Underwood (P) Computing Machine Co : Combined typewriting and computing machine
Patent:US1403361 10.01.1922 John Waldheim Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
Patent:US1416464 16.05.1922 Hanson, Hans (P) Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
Patent:US1433737 31.10.1922 Frank Lewis Morgan John T. Underwood (P) : Combined typewriting and computing machine
Patent:US1438014 05.12.1922 Frank W. Blake Underwood (P) Computing Machine Com. : Computing machine
Patent:US1438718 12.12.1922 Alfred E. Oswald Underwood (P) Computing Machine Com. : Combined typewriting and computing machine
Patent:US1452162 17.04.1923 Adolph G. Kupetz Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
Patent:US1455280 15.05.1923 Harry H. Vickers Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
Patent:US1456660 29.05.1923 Harry H. Vickebs Underwood (P) Computing Machine Comp. : Computing machine
Patent:US1460469 03.07.1923 Ansart, Louis L. Underwood (P) Computing Machine Comp. : Computing machine
Patent:US1463155 31.07.1923 Frank K. Davis Charles Taylor Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
Patent:US1463254 31.07.1923 Frederick U. Conard Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
Patent:US1475152 20.11.1923 Wright, Walter (P) Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
Patent:US1491167 22.04.1924 Poole, Arthur (P) Underwood (P) Computing Machine Comp. : Calculating machine
Patent:US1499326 01.07.1924 Louis L. Ansart Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
Patent:US1504800 12.08.1924 John A. Wherry Underwood (P) Typewriter Comp. : Combined typewriting and computing machine
Patent:US1528390 03.03.1925 Louis L. Ansart Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
Patent:US1576575 16.03.1926 Frederick U. Conard Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
Patent:US2011310 13.08.1935 Anderson, Walter (P) Underwood (P) Elliott Fisher Comp. : Bichrome ribbon mechanism for computing machines
Patent:US2075540 30.03.1937 Pitman, Henry (P) Underwood (P) Elliott Fisher Comp. : Combined typewriting and computing machine
Patent:US2090845 24.08.1937 Alfred G. F. Kurowski Underwood (P) Elliott Fisher Comp. : Combined typewriting and computing machine
Patent:US2098972 16.11.1937 Pitman, Henry (P) Underwood (P) Elliott Fisher Comp. : Combined typewriting and computing machine
Patent:US2172004 05.09.1939 Anderson, Walter (P) Underwood (P) Elliott Fisher (P) Co : Supporting foot for adding machines
Patent:US2182110 05.12.1939 Anderson, Walter (P) Underwood (P) Elliott Fisher Comp. : Accounting machine
Patent:US2196487 09.04.1940 Anderson, Walter (P) Underwood (P) Elliott Fisher Comp. : Paper handling mechanism for accounting machines
Patent:US2229905 28.01.1941 Sundstrand, Oscar (P) Underwood (P) Corp. : Accounting machine
Patent:US2267885 30.12.1941 Anderson, Walter (P) Underwood (P) Elliott Fisher Comp. : Printing mechanism for computing machines
Patent:US2270614 20.01.1942 Anderson, Walter (P) Underwood (P) Elliott Fisher Comp. : Accounting machine
Patent:US2285640 09.06.1942 Anderson, Walter (P) Underwood (P) Elliott Fisher Comp. : Accounting machine
Patent:US2289403 14.07.1942 Anderson, Walter (P) Underwood (P) Elliott Fisher Comp. : Accounting machine
Patent:US2308216 12.01.1943 Sundstrand, Oscar (P); Walter A. Anderson (P) Underwood (P) Elliott Fisher Comp. : Accounting machine
Patent:US2330660 28.09.1943 Anderson, Walter (P) Underwood (P) Corp. : Tabulating mechanism for accounting machines
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
Patent:US2357571 05.09.1944 Anderson, Walter (P) Underwood (P) Corp. : Cycle control in accounting machines
Patent:US2374374 24.04.1945 Samuel A. Neidich Underwood (P) Corp. : Multiplying machine
Patent:US2382195 14.08.1945 Anderson, Walter (P) Underwood (P) Corp. : Carriage control for accounting machines
Patent:US2398395 16.04.1946 Pitman, Henry L. (P) Underwood (P) Corp. : Combined typewriting and computing machine
Patent:US2400949 28.05.1946 Richard W. Pitman Underwood (P) Computing Machine Com. : Business machine
Patent:US2405268 06.08.1946 Richard W. Pitman Underwood (P) Corp. : Business machine
Patent:US2436055 17.02.1948 Pitman, Henry (P) Underwood (P) Computing Machine Com. : Combined typewriting and computing machine
Patent:US2453932 16.11.1948 Richard W. Pitman Underwood (P) Corp. : Business machine
Patent:US2459441 18.01.1949 Walter E. Lippert Underwood (P) Corp. : Computing machine
Patent:US2459468 18.01.1949 Sundstrand, Oscar (P) Underwood (P) Corp. : Accounting machine
Patent:US2459469 18.01.1949 Sundstrand, Oscar (P) Underwood (P) Corp. : Typewriting and accounting machine
Patent:US2493799 10.01.1950 Anderson, Walter (P) Underwood (P) Corp. : Load equalizing for differential actuators
Patent:US2536524 02.01.1951 Anderson, Walter (P) Underwood (P) Corp. : Front-feed device
Patent:US2545636 20.03.1951 Sundstrand, Oscar (P) Underwood (P) Corp : Printing and punching means for accounting machines
Patent:US2549739 17.04.1951 Elmer L. Wise Underwood (P) Corp. : Register control locking means for accounting machines
Patent:US2558458 26.06.1951 Pitman, Henry (P) Underwood (P) Computing Machine Com. : Combined typewriting and computing machine
Patent:US2561552 24.07.1951 Anderson, Walter (P) Underwood (P) Corp. : Power carriage return mechanism and safety features
Patent:US2565295 21.08.1951 Arthur Leon Booten Underwood (P) Corp. : Paper feeding mechanism for accounting machines
Patent:US2583666 29.01.1952 Richard W. Pitman Underwood (P) Computing Machine Com. : Automatic old balance pickup means
Patent:US2612315 30.09.1952 Anderson, Walter (P) Underwood (P) Corp. : Accounting machine control means
Patent:US2620973 09.12.1952 Anderson, Walter (P) Underwood (P) Corp. : Type bar restraining means
Patent:US2625324 13.01.1953 Sundstrand, Oscar (P) Underwood (P) Corp. : Total taking means for typewriter-computers
Patent:US2630900 10.03.1953 Anderson, Walter (P) Underwood (P) Corp. : Automatic carriage return control
Patent:US2634051 07.04.1953 Anderson, Walter (P) Underwood (P) Corp. : Removable control plate for accounting machines
Patent:US2642222 16.06.1953 Anderson, Walter (P) Underwood (P) Corp. : Register selecting mechanism for accounting machines
Patent:US2643818 30.06.1953 Sharpe, Arthur (P) Underwood (P) Corp. : Totalizer function selection and symbol printing mechanism
Patent:US2647691 04.08.1953 Anderson, Walter (P) Underwood (P) Computing Machine Com. : Skip tabulating mechanism for accounting machines
Patent:US2650758 01.09.1953 William H. von Hacht Underwood (P) Corp. : Automatic skip-tab tabulating mechanism for accounting machines
Patent:US2650759 01.09.1953 Swanson, Oscar (P) Underwood (P) Corp. : Accounting machine having relatively adjustable paper and control carriages
Patent:US2660369 24.11.1953 George K. Schulz Underwood (P) Corp. : Carriage controlled totalizer control mechanism
Patent:US2665064 05.01.1954 Sharpe, Arthur (P) Underwood (P) Corp. : Automatic control for accounting machines
Patent:US2668011 02.02.1954 Anderson, Walter (P) Underwood (P) Corp. : Total control mechanism fob accounting machines
Patent:US2668659 09.02.1954 Swanson, Oscar (P) Underwood (P) Corp. : Total printing control mechanism
Patent:US2686469 17.08.1954 Toggenburger, John Underwood (P) Corp. : Combined typewriter and printing computing machine
Patent:US2707076 26.04.1955 Sharpe, Arthur (P) Underwood (P) Corp. : Combined typewriting and accounting machine
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