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06.01.1948 Vries, G. T. de (P) : Navigation Instrument
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06.01.1948 Moody, John L. (P) Friden (P) : Governor Construction
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13.01.1948 Wood, K. R. (P) : Statistical Slide Rule
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13.01.1948 Dickinson Arthur H IBM (P) : Record controlled adding and comparing machine
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13.01.1948 Ward Leathers Jerrier Haddad IBM (P) : Accounting machine
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20.01.1948 Williams Samuel B Bell Telephone Labor Inc : Remotely controlled electrical calculator
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27.01.1948 Cunningham, R. N. (P) : Cryptographic Attachement for Typewriter Keys
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27.01.1948 Durand, F. (P) : Graphic Calculator
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10.02.1948 Charles Sadowsky : Time-speed-distance divider-type computer
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10.02.1948 Wittgenstein, G. F. (P) : Disc Slide Rule
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17.02.1948 Pitman, Henry (P) Underwood (P) Computing Machine Com. : Combined typewriting and computing machine
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17.02.1948 Machado, Antony (P) Friden (P) : Latch Operated Positive Clutch Mechanism
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17.02.1948 Downs, A. B., Jr. (P) : Calculating Device
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24.02.1948 Gossard Waldo D NASA (P) : Calculator
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24.02.1948 Leshner, E. (P) : Cruise Control Computer
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24.02.1948 Perry Sydney V Rca Corp : Electrical calculator
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24.02.1948 Pødenphant, H. O. : Control Register for Calculating Machines
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02.03.1948 Benjamin Cooper : Adding Machine
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02.03.1948 Wharton, A. (P) : Integrator
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09.03.1948 Strate, C. F. (P) : Device for Computing Lapse of Time
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16.03.1948 Batori, Oscar Eugene (P) : Slide Rule
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16.03.1948 Carroll, Fred M. (P) Alfred B. Benson IBM (P) : Plural storage device accounting machine
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16.03.1948 Thomas J. Watson Horace S. Beattie Frederick L. Fuller IBM (P) : Record controlled accounting machine
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23.03.1948 Sidney Darlington Bell Telephone Laboratories, Inc. : Bombsight computer
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23.03.1948 Albert J.E. Schumaker : Calculator
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30.03.1948 Edward W. Smith Submarine Signal Comp. : Geometrical computing device
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30.03.1948 Hogue James T Lenna M Hogue : Angle calculator for structural members
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13.04.1948 Sidney Darlington Charles H. Townes Dean E. Wooldridge Bell Telephone Labs. Inc. : Computing bomb sight
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13.04.1948 Horace S. Beattie IBM (P) : Combinational code entry controlling means for accumulators
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13.04.1948 Avery, Harold T. (P) Marchant (P) Calculating Machine Comp. : Reversible power transmission mechanism
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13.04.1948 Priest, H. C. (P) : Counting Mechanism
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27.04.1948 Edward W. Piper : Game pointer and scorer
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11.05.1948 Lichter, M. H. (P) : Calculating Device
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18.05.1948 Joseph M.S. Kaufman Shelley Krasnow : Sun compass
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18.05.1948 Christian, Raymond A. (P) NCR (P) : Front feed mechanism for calculating machines
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25.05.1948 Shewell, C. T. (P) et al : Apparatus for Interpretation of Spectrum Analysis Data Represented by a Curve
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01.06.1948 John T. Davidson Paul H. Williams Laurence N. Lehman Jesse R. Ganger James H. Crawford Herman F. Sad NCR (P) : Forward and reverse tabulating mechanism for accounting machines
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01.06.1948 Solomon Linowitz : Payroll time calculator
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08.06.1948 Gifford E. White David J. Campbell Arthur A. Hauser Thom R. Greene Sperry (P) Corp. : Apparatus for determining fuse setting data
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08.06.1948 Harvey N. Bliss Veeder-Root (P) Inc. : Indicating counter
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08.06.1948 William W. H. Dean Radio Corp. of America : Apparatus for determining the weight and center of gravity of vehicles
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22.06.1948 Edward J. Carey John H. More NCR (P) : Totalizer engaging mechanism
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22.06.1948 Swigart, J. G. (P) : Adding Machine for Computing Bearing Angles
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29.06.1948 Baines Haigh Leslie, Clifford Hartley George, Ridd Gould Standard Telephones Cables Ltd : Electrically operated calculating apparatus for converting numbers from binary to decimal form
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06.07.1948 John M. Anderson Minneapolis-Honeywell Regulator Comp. : Polynomial equation computer
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06.07.1948 Mayo A. Goodbar George A. Cocup NCR (P) : Cash register ticket feeding and printing mechanism
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06.07.1948 Lawrence, Harold J.; Hennessy, Mark M. Durant (P) Mfg. Co. : Drive for counter numeral wheels
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20.07.1948 Allen Joseph F Warner Swasey Co : Cutter life calculator
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03.08.1948 Putnam, J. P. (P) Reece Corp. : Geometrical Navigation Instrument
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17.08.1948 Avery, Harold (P) Marchant (P) Calculating Machine Comp. : Keyboard clearing mechanism by
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31.08.1948 Walter Baumgartner : Calculating Device
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07.09.1948 Librascope (P) : Flight computer
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14.09.1948 Hofgaard, Rolf (P) : Coupling means for use with calculating, bookkeeping, or like machines
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14.09.1948 Gerard E. Tardif : Plotting aircraft navigation computer
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21.09.1948 Roberts, I. S. (P) : Slide Rule
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28.09.1948 Christian, Raymond A. (P) Jesse R. Ganger William L. Paden NCR (P) : Accounting machine
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28.09.1948 Harold O. Randall John B. Geers NCR (P) : Cash register
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05.10.1948 Kesling, E. G. (P) Hasbro (P) : Calculator
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05.10.1948 Fleming, Howard M. (P) Monroe (P) Calculating Machine Comp. : Crawl carry mechanism
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12.10.1948 Hennessy, Mark M. Durant (P) Mfg. Co. : Locking and resetting means for counters
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19.10.1948 Webb, Christopher Frederick (P) General Register Corp. : Totalizator counter
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19.10.1948 Tellander Jr Frederic, Victor O Lothman : Calculator mechanism
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19.10.1948 Liebmann, D. M. (P) et al : Calculating Instrument
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26.10.1948 Zentis, W. A. (P) : Method and Apparatus for Use in Designing Solar Houses
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26.10.1948 Noble Kenneth B : Ellipsograph
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02.11.1948 King Anthony B : Trigonometric calculator
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02.11.1948 Koenig, Jr., Walter Bell (P) Telephone Laboratories, Inc. : Interpolating potential divider
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02.11.1948 Broido, Daniel (P) : Calculating machine
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16.11.1948 Michael J. Harwood : Tax computing device
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16.11.1948 Moody, John L. (P) Friden (P) : Revolution Counter Actuator
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16.11.1948 Richard W. Pitman Underwood (P) Corp. : Business machine
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30.11.1948 Bradner, D. B. (P) : Calculating Machine
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30.11.1948 Britten, E. F., Jr. (P) : Compass Follower
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07.12.1948 Sarnoff, D. (P) : Secret Radio Signalling System
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07.12.1948 Ringler, I. (P) : X-Ray Apparatus
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07.12.1948 Cockrell William D : Calculating and aerial navigation instrument
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14.12.1948 Maynard C. Yeasting Toledo Scale Comp. : High-speed counter
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21.12.1948 Chowns, W. C. (P) : Slide Indicator Rule
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21.12.1948 De Simone Michele Guglielmo, Gifford Agnew : Electromechanical mechanism for actuating calculating machines
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21.12.1948 Moody, John L. (P) Friden (P) : Motor and Clutch Control Mechanism
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21.12.1948 Harry L. Lambert NCR (P) : Printing mechanism fob adding
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28.12.1948 Wade, F. A. (P) et al : Educational Apparatus
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27.01.1948 Clary, Hugh (P) Robert E. Boyden Clary (P) Multiplier Corp. : Design for a keyboard for calculating machines or similar articles
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23.03.1948 C. Mooney : Abacus
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31.08.1948 R. B. Minor : Pay Roll Calculator
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26.10.1948 Machado Friden (P) : Calculating Machine
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16.03.1948 Fettig, Arthur (P) Burroughs (P) Adding Machine Corp. : Calculating machine
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24.08.1948 Muller, Robert (P) Burroughs (P) Adding Machine Comp. : Calculating machine