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Patent:US3419962
07.01.1969 Warner Louis A : Calculating Device
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07.01.1969 J. A. Kitzinger : Educational Aid ...
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07.01.1969 Gosta R. Englund Mats E. Mattsson Svenska Dataregister AB : Tens transfer assembly
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21.01.1969 Gassino, Teresio (P) Olivetti (P) : Ten Key Calc Mach Adapted to Effect Multiplications as Well as Divisions
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11.02.1969 Alfred Zielke Elmeg Elcktro Mechanik GmbH : Decimal point or comma printing means in multi-cipher digital printers
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18.02.1969 Heskes, Jacob : Perpetual calendar
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25.02.1969 Gross : Cash Registers and Like Adding Machines
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04.03.1969 Louis E. Zurbuchen Freeland R. Goldammer NCR (P) : Programable function control mechanism for business machines
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11.03.1969 C. E. Berry : Navigation Instrument
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11.03.1969 Metschnabel, Andreas (P) Diehl (P) : Four-Species Calculating Machine
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18.03.1969 Earl W. Springer : Turn computer
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18.03.1969 Charles W. Jack Executive Line, Inc. : Conversion device
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18.03.1969 Wilkam L. Carter : Calorie-gram indicator and alarm
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18.03.1969 William L. Carter : Weight control aid
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25.03.1969 S. Goldstein : Rotary Indicator
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01.04.1969 J. W. Slemmons : Numerical Storage and Computing Device
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01.04.1969 Stephenson Barbera : Kitchen Calculator And Method For Use
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01.04.1969 R. P. Ochonicky : Heater Calculator
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01.04.1969 Carson Bradford : Mechanical computer and plot board
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08.04.1969 R. S. White : Mathematical Averaging Apparatus
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22.04.1969 Higgins, John H. : Classifying apparatus
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22.04.1969 Morgan Loran B Loran B Morgan : Calculator Means For Fitting Contact Lenses
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29.04.1969 S. Goldstein : Slide Rule
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06.05.1969 E. D. Proctor : Fluid Signal Code Converter
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13.05.1969 Davis, Edward L. : Perpetual calendar machine
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13.05.1969 H. Cimetta : Slide Rule
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13.05.1969 J. J. Slavin et al : Cumulative Voting Indicator
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27.05.1969 Tibbetts, Ernest (P) Burroughs (P) : Pushbutton Calculator
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03.06.1969 Ismael Diaz-Espara : Ellipsograph
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03.06.1969 Jacobus Verhoeff Anker (P)-Werke AG : Data checking system
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24.06.1969 Gassino, Teresio (P) Olivetti (P) : Automatic Shortcut Multiplication Device for a Calc Mach
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24.06.1969 Grip, Erik Konrad (P) Facit (P) : Printing Calculating Machines
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24.06.1969 René F. Lucas Burroughs (P) Corp. : Ten key multiplying machine
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24.06.1969 Norman R. Buck Westinghouse Air Brake Comp. : Check digit calculator
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15.07.1969 Han Bing-Hou Bing Hou Han : Ball Calculator
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15.07.1969 A. F. Schott : Mathematics Teaching Tool
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22.07.1969 Michael S. Juhas Veeder Industries Inc. : Counting mechanism
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22.07.1969 Royston A. Stubbs Derek J. Kidd Her Majesty the Queen in right of Canada as represented by the Minister of National Defence : Analog decompression computing device
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29.07.1969 Barozzi, Gianpiero (P), Horeschi, Giancarlo (P) Citizen (P) Watch Co. : Printing device with zero-position selecting mechanism
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29.07.1969 Gang, Herman (P) Monroe (P) : Programming Means for Calculators
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05.08.1969 Helmut Bresslein Klaus Korte Olympia (P) Werke AG : Arresting mechanism for result printer in calculator having multiplication facility
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19.08.1969 R. M. OMalley : Ellipse Forming Compass
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19.08.1969 A. D. Schhmidt et al. : Instructional Device
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02.09.1969 Busch, Richard (P) Sperry Rand (P) Corp : Control Mechanism For Calculating Machine
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09.09.1969 Yoshiyuki Nakazima Ken Kozasa Citizen (P) Watch Co. : Dual totaling mechanism for adding machines
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16.09.1969 H. O. Levitt : Scaling and Calculating Instrument
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23.09.1969 E. D. Dunn : Precision Slide Rule Computing Mechanism
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23.09.1969 Fujishima Akira, Okuda Makoto Maruzen Sewing Machine : Calculating Machine
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30.09.1969 H. Iravani : Ellipse Circle Drawing Instrument
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30.09.1969 Alfred Hesse Heinz Focken Wolfgang Bindel Olympia (P) Werke AG : Pin carriage for calculators
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07.10.1969 J. S. Titus : Trigonometric Aeronautical Computer
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07.10.1969 Soupenne, Henri Compagnie des Compteurs : Zero-setting device
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14.10.1969 C. W. Iverson et al. : Musical Playing Aid
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21.10.1969 J. J. Kurland : Speed Register
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21.10.1969 Kato : Calculator
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28.10.1969 Korte Klaus, Bresslein Helmut Olympia (P) : Actuating Mechanism For Result Key In Calculator Having Multiplication Facility
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04.11.1969 Reginald R. Gallant Robert M. Loftus Olivetti (P) Underwood Corp. : Overdraft signal controlling devices
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04.11.1969 Sundstrand, Oscar (P) Victor (P) : Calculating Machine With Short Cut Multiplication
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11.11.1969 Henes Monroe (P) : Division Terminating Mechanism
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18.11.1969 Tibor Arvai Sperry (P) Rand Corp. : Inking mechanism for calculators and like machines
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18.11.1969 Gerhard Rethmeier Anker (P) Werke AG : Controls for business machines such as book-keeping machines and the like
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01.12.1969 Anthony G. Pickios : PICKIOS DRAFTSMAN KIT
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02.12.1969 Clary, John (P) Addmaster (P) Corp : Stop Pin Retracting Means For Ten Key Calculating Machine
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02.12.1969 Welch Norman Floyd Norman Floyd Welch : Easy Calculator
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16.12.1969 Miller Robert R Precision Metalsmiths Inc : Coordinate Calculator
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16.12.1969 Grip, Erik Konrad (P) Facit (P) : Arithmetic Unit for Calc Mch of the Ten Button Key Set Type
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16.12.1969 Hoffmeister, Ernest W : Calculating Device
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23.12.1969 W.Volk : Slide Rule
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30.12.1969 Arturo J. Rodriguez : Fertility cycle indicator
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23.12.1969 HESSE, ALFRED (P); BINDEL, WOFGANG (P), Keiter, Alfred (P) Olympia (P) : Switching Mechanism
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30.12.1969 Citizen (P) : COLUMN CARRYING MECHANISM IN CALCULATAING MACHINE AND THE LIKE APPARATUS
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04.11.1969 Suif, Fernand (P) Topnit (P) : Pocket adding machine
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24.06.1969 J. A. Joffe : Slidable Card Locator Map
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19.08.1969 K. Ootu : Abacus
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26.08.1969 E. J. Crossland, F. L. Walters and D. Randall : Portable Voting Booth
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14.10.1969 I. G. Laws : Combined Storage Container and Voting Enclosure
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Patent:USD215764
28.10.1969 R. C. Hutchinson : Casing for Credit Card Verification System
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Patent:USD215893
04.11.1969 Boothby Olympia (P) : Housing for a Calculating Machine
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Patent:USD217911
24.02.1969 Herold, Willy (P) : Abacus