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Patente aus den USA 1955

 US02698715 (espacenet),  US02698715 (uspto) 04.01.1955 Spurlino, P. et al Machine Release Mechanism
 US02700823 (espacenet),  US02700823 (uspto) 01.02.1955 Martin, W. F. et al Chart Calculator
 US02701687 (espacenet),  US02701687 (uspto) 08.02.1955 Boos, W. J. Slide Rule
 US02702159 (espacenet),  US02702159 (uspto) 15.02.1955 Reppert, R. V. Decimal Point Mechanism
 US02702668 (espacenet),  US02702668 (uspto) 22.02.1955 Dustin, H. M. Decimal Aligning Mechanism
 US02703677 (espacenet),  US02703677 (uspto) 08.03.1955 Harnwell, G. P. Vector Calculating Rule
 US02705109 (espacenet),  US02705109 (uspto) 29.03.1955 Campos, F. Calculating Machine Key-Board and Differential Actuators
 US02706082 (espacenet),  US02706082 (uspto) 12.04.1955 Lydfors, J. Multiplier Control Mechanism for Short Cut Multiplication
 US02707077 (espacenet),  US02707077 (uspto) 26.04.1955 Wise, E. L. Ten-Key Indexing System
 US02707592 (espacenet),  US02707592 (uspto) 03.05.1955 Rice, W. C. Pocket Calculator for the Calculation of Calories
 US02708797 (espacenet),  US02708797 (uspto) 24.05.1955 Hamer, E. F. Counting Frame
 US02710141 (espacenet),  US02710141 (uspto) 07.06.1955 Avery, Harold T. Dividend-Divisor Aligning Mechanism
 US02710143 (espacenet),  US02710143 (uspto) 07.06.1955 Hoch, F. W. Slide-Rule
 US02710405 (espacenet),  US02710405 (uspto) 07.06.1955 Lundquist, I. Carriage Cushioning Means for Calculating Machines
 US02713458 (espacenet),  US02713458 (uspto) 19.07.1955 West, E. J. et al Speed-Averaging Device
 US02714254 (espacenet),  US02714254 (uspto) 02.08.1955 Andrews, S. W. C. et al Device for Effecting Controlled Variations of Geometrical Forms and other Shapes
 US02714985 (espacenet),  US02714985 (uspto) 09.08.1955 Saxby, F. R. et al Electromagnetically Operated Totalizer Control Mechanism for Accounting Machines
 US02714986 (espacenet),  US02714986 (uspto) 09.08.1955 Moody, J. L. et al Single Cycle Mechanism
 US02714987 (espacenet),  US02714987 (uspto) 09.08.1955 Frieberg, N. R. Repeat Mechanism for Calculating Machines
 US02714988 (espacenet),  US02714988 (uspto) 09.08.1955 Brubaker, D. P. Keyboard Controls for Adding Machines
 US02714989 (espacenet),  US02714989 (uspto) 09.08.1955 Ellerbeck, G. C. Calculating Machine
 US02714991 (espacenet),  US02714991 (uspto) 09.08.1955 Hopkins, G. W. Sign Control Mechanism for Duplex Registers
 US02715779 (espacenet),  US02715779 (uspto) 23.08.1955 Hughson, D. R. Machinist's Calculator
 US02717121 (espacenet),  US02717121 (uspto) 06.09.1955 Luhn, H. P. Keyboard
 US02718357 (espacenet),  US02718357 (uspto) 20.09.1955 Sandor, A. Logarithmic Calculator
 US02719359 (espacenet),  US02719359 (uspto) 04.10.1955 Webber, W. D. Protractor
 US02719669 (espacenet),  US02719669 (uspto) 04.10.1955 Schroeder, C. S. Printing Scale
 US02720961 (espacenet),  US02720961 (uspto) 18.10.1955 Smith, W. R. Key Latching and Release Mechanism
 US02721697 (espacenet),  US02721697 (uspto) 25.10.1955 Gilpin, J. C. Eelectromagnetic Drive Means for Computing Machines
 US02721698 (espacenet),  US02721698 (uspto) 25.10.1955 Gang, Herman Tabulation Control Means
 US02722376 (espacenet),  US02722376 (uspto) 01.11.1955 Ellerbeck, G. C. Back Transfer Calculating Machine
 US02722377 (espacenet),  US02722377 (uspto) 01.11.1955 Davis, E. A. Dividend Divisor Aligning Mechanism
 US02724062 (espacenet),  US02724062 (uspto) 15.11.1955 Nolde, G. V. Electrical Circuit for Suppressing Interference
 US02724552 (espacenet),  US02724552 (uspto) 22.11.1955 Sherwood, A. W. Gas Mileage Computer
 US02725194 (espacenet),  US02725194 (uspto) 29.11.1955 Krauss, D. G. Fuel Milleage Calculator
 US02726809 (espacenet),  US02726809 (uspto) 13.12.1955 Farber, M. Moments of Distribution Determining Device
 US02727688 (espacenet),  US02727688 (uspto) 20.12.1955 Luhn, H. P. Keyboard Control Mechanism
 US02727689 (espacenet),  US02727689 (uspto) 20.12.1955 Heindorff, H. Ten Digit Keyboard for Calculating Machine
 US02728526 (espacenet),  US02728526 (uspto) 27.12.1955 Fowler, R. G. et al Power Drive Mechanism

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