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Die große Enzyklopädie des mechanischen Rechnens

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Patente aus den USA 1955

Revision as of 19:19, 30. Dec 2003 Revision as of 19:20, 30. Dec 2003
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<td>[http://164.195.100.11/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=/netahtml/srchnum.htm&r=1&f=G&l=50&s1=2698715.WKU.&OS=PN/2698715&RS=PN/2698715 2698715]</td> <td>[http://164.195.100.11/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=/netahtml/srchnum.htm&r=1&f=G&l=50&s1=2698715.WKU.&OS=PN/2698715&RS=PN/2698715 2698715]</td>

Revision as of 19:20, 30. Dec 2003

 2698715 1955 P. Spurlino et al Machine Release Mechanism
 2700823 1955
 2701687 1955
 2702159 1955 Reppert Decimal Point Mechanism
 2702668 1955 Dustin Decimal Aligning Mechanism
 2703677 1955
 2705109 1955 Campos Calc Mach Key-board and Differential Actuators
 2706082 1955 Lydfors Mult Control Mech for Short Cut Mult
 2707077 1955 Wise Ten-Key Indexing System
 2707592 1955
 2708797 1955
 2710141 1955 Avery Dividend Divisor Aligning Mechanism
 2710143 1955
 2710405 1955 Lundquist Carriage Cushioning Means for Calc Mach
 2713458 1955
 2714254 1955
 2714985 1955 Saxby et al EM Operated Totalizer Control Mech for Acctg Mach
 2714986 1955 Moody et al Single Cycle Mechanism
 2714987 1955 Frieberg Repeat Mechanism for Calc Mach
 2714988 1955 Brubaker Keyboard Controls for Adding Machines
 2714989 1955 Ellerbeck Calculating Machine
 2714991 1955 Hopkins Sign Control Mechanism for Duplex Registers
 2715779 1955
 2717121 1955 Luhn Keyboard
 2718357 1955 Sandor Logarithmic Calculator
 2719359 1955
 2719669 1955
 2720961 1955 Smith Key Latching and Release Mechanism
 2721697 1955 Gilpin EM Drive Means for Computing Machines
 2721698 1955 Gang Tabulation Control Means
 2722376 1955 Ellerbeck Back Transfer Calc Mach
 2722377 1955 Davis Dividend Divisor Aligning Mechanism
 2724062 1955 Nolde Electrical Circuit for Suppressing Interference
 2724552 1955
 2725194 1955
 2726809 1955
 2727688 1955 Luhn Keyboard Control Mechanism
 2727689 1955 Heindorff Ten Digit Keyboard for Calc Mach
 2728526 1955 Fowler et al Power Drive Mechanism


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