Patent
Suchergebnisse für: COMPTOMETER
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Patent:GB148292
09.01.1922 Turck, Joseph Abraham Valentine (P) Felt und Tarrant (P) : Improvements in or connected with Calculating machines [47.84%]
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Patent:GB154603
27.03.1922 Turck, Joseph Abraham Valentine (P) Felt und Tarrant (P) : [51.49%]
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Patent:GB181043
06.06.1922 Felt und Tarrant (P) : Improvements in Calculating Machines [37.87%]
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Patent:GB190925766
15.09.1910 Felt, Dorr E. (P) : Improvements relating to Calculating Machines [32.86%]
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Patent:GB191226772
26.11.1913 Felt, Dorr E. (P) : Improvements in and relating to Calculating Machines [30.09%]
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Patent:GB207070
22.11.1923 Felt und Tarrant (P) : [54.28%]
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Patent:GB341435
09.01.1931 Felt und Tarrant (P) : [30.19%]
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Patent:GB516535
04.01.1940 Webb, Christopher Frederick (P) : comptometer-like adding machine [50.80%]
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Patent:GB516557
04.01.1940 Webb, Christopher Frederick (P) : comptometer-like adding machine [20.78%]
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Patent:GB522721
25.06.1940 Webb, Christopher Frederick (P) : comptometer-like adding machine [53.62%]
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Patent:GB551707
05.03.1943 Felt und Tarrant (P) : Improvements in or relating to numeral wheels or the like [31.37%]
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Patent:GB551994
18.03.1943 Felt und Tarrant (P) : [30.03%]
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Patent:GB553198
12.05.1943 Felt und Tarrant (P) : [48.91%]
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Patent:GB556239
27.09.1943 Felt und Tarrant (P) : [53.48%]
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Patent:GB566376
16.09.1942 Felt und Tarrant (P) : Calculating-machine [29.70%]
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Patent:GB600485
22.06.1945 Stevens, A. H. Felt und Tarrant (P) : Improvements in or Relating to Calculating Machines [33.40%]
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Patent:GB601375
23.07.1943 Felt und Tarrant (P) : Improvements in or Relating to Calculating Machines [28.71%]
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Patent:GB601427
05.05.1948 Felt und Tarrant (P) : Improvements in or relating to Calculating Machines [30.68%]
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Patent:GB640347
19.07.1950 Felt und Tarrant (P) : [30.83%]
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Patent:GB640445
19.07.1950 Felt und Tarrant (P) : [11.48%]
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Patent:GB650728
28.02.1951 Felt und Tarrant (P) : Improvements in or relating to finger-operable actuator buttons for calculating machines, typewriters and other office machines [10.59%]
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Patent:GB652670
25.04.1951 Webb, Christopher Frederick (P) Bell Punch (P) Co Ltd : comptometer-like adding machine [53.85%]
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Patent:GB712749
28.07.1954 Turck, Joseph Abraham Valentine (P) Felt und Tarrant (P) : Improvements in or relating to calculating machines [11.06%]
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Patent:GB712750
28.07.1954 Turck, Joseph Abraham Valentine (P) Felt und Tarrant (P) : Improvements in or relating to calculating machines [28.80%]
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Patent:GB752591
11.07.1956 Felt und Tarrant (P) : Improvements in or relating to calculating machines [30.35%]
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Patent:GB771816
03.04.1957 Felt und Tarrant (P) : Improvements in or relating to calculating machines [30.76%]
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Patent:GB860605
08.02.1961 Comptometer (P) Corp : A calculating-recording apparatus [12.21%]
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Patent:GB902247
01.08.1962 Comptometer Corp. : Ten-key calculating machines [53.56%]
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Patent:US1032183
09.07.1912 W. P. Buchan : Integrator for Conveyer Belt Weighting Scales [15.63%]
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Patent:US1074689
07.10.1913 G. S. Bollensen : Adding Machine [11.24%]
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Patent:US1074704
07.10.1913 Felt, Dorr E. (P) : Calculating Machine [20.63%]
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Patent:US1088219
24.02.1914 Felt, Dorr E. (P) Felt und Tarrant (P) : Calculating Machine [11.95%]
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Patent:US1154897
28.01.1915 Turck, Joseph Abraham Valentine (P) : Calculating Machine [7.09%]
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Patent:US1333277
09.03.1920 Niemann, Frederick (P) Adolph Felt und Tarrant (P) : Printing cut-out for adding-machines [6.72%]
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Patent:US1357747
02.01.1920 Turck, Joseph Abraham Valentine (P) : Calculating Machine [12.36%]
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Patent:US1357748
02.11.1920 Turck, Joseph Abraham Valentine (P) : Calculating Machine [19.46%]
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Patent:US1391220
20.09.1921 Turck, Joseph Abraham Valentine (P) : Calculating Machine [12.21%]
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Patent:US1449639
27.03.1923 Turck, Joseph Abraham Valentine (P) : Calculating Machine [11.44%]
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Patent:US1714964
28.05.1929 Turck, Joseph Abraham Valentine (P) : Calculating Machine [7.01%]
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Patent:US1751609
25.03.1930 Turck, Joseph Abraham Valentine (P) : Calculating Machine [11.73%]
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Patent:US1840378
12.01.1932 C. Wittenmyer Felt und Tarrant (P) : Calculating Machine [12.21%]
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Patent:US1902597
21.03.1933 Turck, Joseph Abraham Valentine (P) : Calculating Machine [27.53%]
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Patent:US1902598
21.03.1933 Turck, Joseph Abraham Valentine (P) : Calculating Machine [13.09%]
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Patent:US1927856
26.09.1933 Ferris Roy (P), Turck, Joseph Abraham Valentine (P) Felt und Tarrant (P) : Calculating Machine [10.83%]
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Patent:US2020975
12.11.1935 Turck, Joseph Abraham Valentine (P) : Calculating Machine [12.16%]
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Patent:US2060702
10.11.1936 Turck, Joseph Abraham Valentine (P) Felt und Tarrant (P) : Calculating Machine [7.08%]
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Patent:US2130364
20.09.1938 Niemann, Frederick (P) Adolph et al : Calculating Machine [12.73%]
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Patent:US2149817
07.03.1939 Niemann, Frederick (P) Adolph et al : Calculating Machine [11.65%]
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Patent:US2273491
17.02.1942 H. A. Leedy : Business Machine [11.61%]
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Patent:US2279054
07.04.1942 Niemann, Frederick (P) Adolph : Calculating Machine [10.90%]
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Patent:US2402569
25.06.1946 Niemann, Frederick (P) Adolph Felt und Tarrant (P) : Key responsive calculating machine [6.68%]
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Patent:US2734683
14.01.1956 Turck, Joseph Abraham Valentine (P) Felt und Tarrant (P) : Total Transfer Mechanism [12.68%]
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Patent:US2753117
03.07.1956 Walker, E. C. (P) Felt und Tarrant (P) : Mechanism for Adjusting the Resistance to Key Depressions in Calculating Machines [19.55%]
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Patent:US2759671
21.01.1956 Turck, Joseph Abraham Valentine (P) Felt und Tarrant (P) : Key-Responsive Adding and Subtracting Calculating Machine [13.81%]
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Patent:US2835440
20.05.1958 Raymond J. Koch Comptometer Corp. : Flash reading indicating means for registers [50.80%]
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Patent:US2956741
18.10.1960 Webb, Christopher Frederick (P) Bell Punch (P) : Key-Responsive Calc Mach Capable of Effecting Semi-Automatic Multiplication [13.01%]
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Patent:US2980322
18.04.1961 Emil C. Walker Comptometer Corp. : Decimal point indicator mechanism for registers [50.80%]
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Patent:US3009634
21.11.1961 Allward Comptometer (P) : Ten-Key Calculating Machines [11.40%]
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Patent:US3217984
16.11.1965 Heitlinger Victor (P) Comptometer (P) : Sectionalized Solenoid-Actuated Calc Mach [44.33%]
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Patent:US3402884
24.09.1968 Schultz, Ralph (P) Victor (P) Comptometer Corp : Operating Means For Function Control Keys In Calculating Machines And The Like [9.80%]
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Patent:US371496
11.01.1887 Felt, Dorr E. (P) : Adding Machine [12.16%]
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Patent:US441232
25.01.1890 Felt, Dorr E. (P) : Type Writing Machine [12.28%]
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Patent:US441233
25.11.1890 Felt, Dorr E. (P) : Adding and Recording Machine [52.99%]
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Patent:US661121
06.11.1900 Felt, Dorr E. (P) : Calculating Machine [12.15%]
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Patent:US671109
02.04.1901 Felt, Dorr E. (P) : Calculating Machine [11.96%]
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Patent:US733379
14.07.1903 Felt, Dorr E. (P) : Casing for Key Operated Machines [24.52%]
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Patent:US918176
13.04.1909 C. & C. A. Lory : Water Meter [6.37%]
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Patent:US960528
07.06.1910 Felt, Dorr E. (P) : Calculating Machine [28.98%]
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Patent:US982416
24.01.1911 Felt, Dorr E. (P) : Key for Keyboard Calculating Machine [21.01%]
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Patent:US982417
24.01.1911 Felt, Dorr E. (P) : Key for Keyboard Machine [19.92%]
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Patent:US992950
23.05.1911 Felt, Dorr E. (P) Felt und Tarrant (P) : Calculating Machine [21.31%]
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Patent:US996009
20.06.1911 Felt, Dorr E. (P) : Calculating Machine [11.80%]
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Patent:USD113817
14.03.1939 Niemann, Frederick (P) Adolph et al Comptometer (P) : Calculating Machine [20.93%]