Patent

Suchergebnisse für: Comptometer

Patent:CA555598 08.04.1958 Lawrence W. Brugman, Raymond F. Koch Comptometer (P) Corp. : Calculating machine
Patent:CA568285 30.12.1958 Emil C. Walker, jr. Comptometer (P) Corporation : Mechanism for adjusting the resistance to key depressions in calculating machines
Patent:CA593631 01.03.1960 Raymond J. Koch Comptometer (P) Corp. : Calculating machine
Patent:CA630098 31.10.1961 Richard T. Prince Comptometer (P) Corp. : Calculating-recording apparatus
Patent:DE235371 26.01.1910 Felt und Tarrant (P) : Addiermaschine
Patent:DE237660 16.03.1909 Felt und Tarrant (P) : Nullstellvorrichtung für Addiermaschinen
Patent:DE284268 28.11.1912 Felt, Dorr E. (P) Felt und Tarrant (P) : Rechenmaschine
Patent:DE310417 12.07.1913 Felt, Dorr E. (P) Felt und Tarrant (P) : Rechenmaschine
Patent:DE383972 05.10.1919 Felt und Tarrant (P) : Nullstellvorrichtung für Rechenmaschinen
Patent:DE395707 23.05.1924 Felt und Tarrant (P) : Nullstellvorrichtung für Rechennmaschinen
Patent:FR1293204 02.04.1962 von Heitlinger, Eugene Comptometer (P) Corp. : Machines à calculer
Patent:GB148292 09.01.1922 Turck, Joseph Abraham Valentine (P) Felt und Tarrant (P) : Improvements in or connected with Calculating machines
Patent:GB154603 27.03.1922 Turck, Joseph Abraham Valentine (P) Felt und Tarrant (P) :
Patent:GB181043 06.06.1922 Felt und Tarrant (P) : Improvements in Calculating Machines
Patent:GB190925766 15.09.1910 Felt, Dorr E. (P) : Improvements relating to Calculating Machines
Patent:GB207070 22.11.1923 Felt und Tarrant (P) :
Patent:GB341435 09.01.1931 Felt und Tarrant (P) :
Patent:GB551707 05.03.1943 Felt und Tarrant (P) : Improvements in or relating to numeral wheels or the like
Patent:GB551994 18.03.1943 Felt und Tarrant (P) :
Patent:GB553198 12.05.1943 Felt und Tarrant (P) :
Patent:GB556239 27.09.1943 Felt und Tarrant (P) :
Patent:GB566376 16.09.1942 Felt und Tarrant (P) : Calculating-machine
Patent:GB600485 22.06.1945 Stevens, A. H. Felt und Tarrant (P) : Improvements in or Relating to Calculating Machines
Patent:GB601375 23.07.1943 Felt und Tarrant (P) : Improvements in or Relating to Calculating Machines
Patent:GB601427 05.05.1948 Felt und Tarrant (P) : Improvements in or relating to Calculating Machines
Patent:GB640347 19.07.1950 Felt und Tarrant (P) :
Patent:GB640445 19.07.1950 Felt und Tarrant (P) :
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
Patent:GB712749 28.07.1954 Turck, Joseph Abraham Valentine (P) Felt und Tarrant (P) : Improvements in or relating to calculating machines
Patent:GB712750 28.07.1954 Turck, Joseph Abraham Valentine (P) Felt und Tarrant (P) : Improvements in or relating to calculating machines
Patent:GB752591 11.07.1956 Felt und Tarrant (P) : Improvements in or relating to calculating machines
Patent:GB771816 03.04.1957 Felt und Tarrant (P) : Improvements in or relating to calculating machines
Patent:GB860605 08.02.1961 Comptometer (P) Corp : A calculating-recording apparatus
Patent:US1074704 07.10.1913 Felt, Dorr E. (P) : Calculating Machine
Patent:US1088219 24.02.1914 Felt, Dorr E. (P) Felt und Tarrant (P) : Calculating Machine
Patent:US1333277 09.03.1920 Niemann, Frederick (P) Adolph Felt und Tarrant (P) : Printing cut-out for adding-machines
Patent:US1840378 12.01.1932 C. Wittenmyer Felt und Tarrant (P) : Calculating Machine
Patent:US1927856 26.09.1933 Ferris Roy (P), Turck, Joseph Abraham Valentine (P) Felt und Tarrant (P) : Calculating Machine
Patent:US2060702 10.11.1936 Turck, Joseph Abraham Valentine (P) Felt und Tarrant (P) : Calculating Machine
Patent:US2402569 25.06.1946 Niemann, Frederick (P) Adolph Felt und Tarrant (P) : Key responsive calculating machine
Patent:US2734683 14.01.1956 Turck, Joseph Abraham Valentine (P) Felt und Tarrant (P) : Total Transfer Mechanism
Patent:US2753117 03.07.1956 Walker, E. C. (P) Felt und Tarrant (P) : Mechanism for Adjusting the Resistance to Key Depressions in Calculating Machines
Patent:US2759671 21.01.1956 Turck, Joseph Abraham Valentine (P) Felt und Tarrant (P) : Key-Responsive Adding and Subtracting Calculating Machine
Patent:US2956741 18.10.1960 Webb, Christopher Frederick (P) Bell Punch (P) : Key-Responsive Calc Mach Capable of Effecting Semi-Automatic Multiplication
Patent:US3009634 21.11.1961 Allward Comptometer (P) : Ten-Key Calculating Machines
Patent:US3217984 16.11.1965 Heitlinger Victor (P) Comptometer (P) : Sectionalized Solenoid-Actuated Calc Mach
Patent:US371496 11.01.1887 Felt, Dorr E. (P) : Adding Machine
Patent:US441232 25.01.1890 Felt, Dorr E. (P) : Type Writing Machine
Patent:US441233 25.11.1890 Felt, Dorr E. (P) : Adding and Recording Machine
Patent:US661121 06.11.1900 Felt, Dorr E. (P) : Calculating Machine
Patent:USD113817 14.03.1939 Niemann, Frederick (P) Adolph et al Comptometer (P) : Calculating Machine

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Suchergebnisse für: Comptometer