Patente aus den USA 1928
- Patent:US1654946 03.01.1928 Sinks Charles M : Automatic paper-straightening attachment for adding machines
- Patent:US1940069 07.01.1928 Bair, Joseph H. The Arithmetician, Bair-Fulton Co. York PA. : Calculating Machine
- Patent:US1655570 10.01.1928 Shipley, Bernis NCR : Cash register
- Patent:US1655819 10.01.1928 Rodney Nichols Charles : Calculating Device
- Patent:US1656786 17.01.1928 John Joseph Gahan : Machine-gun fire-data finder
- Patent:US1657411 24.01.1928 Scherbius, Arthur Chiffriermaschinen AG : Ciphering Machine
- Patent:US1657696 31.01.1928 Robertson, William NCR : Cash register
- Patent:US1657712 31.01.1928 Goldberg, Maximilian Meyer NCR : Printing and perforating mechanism for cash registers
- Patent:US1657828 31.01.1928 Pruett H. Henderson : Expense register actuator
- Patent:US1657872 31.01.1928 C. E. Turnquist : Combined Calendar Calculator and Chart
- Patent:US1657923 31.01.1928 M. Goshko : Adding Machine
- Patent:US1658022 31.01.1928 C. Campbell : Record Card Controlled Statistical Machine
- Patent:US1658024 31.01.1928 Bryce, James Tabulating Machine Company : Record-controlled machine
- Patent:US1658036 07.02.1928 Bindschedler, Theodore Burroughs : Make and break switch for adding machines
- Patent:US1658949 14.02.1928 Montreville Somes : Rule slide for setting blank forms on slug-casting machines
- Patent:US1658993 14.02.1928 Leo G.A. Kömmling NCR : Cash register
- Patent:US1659246 14.02.1928 Robert S. Drew Curtis L. Cruver Cruver Manufacturing Comp. : Calculating device
- Patent:US1659357 14.02.1928 W. T. Foultz te al : Computing Machine
- Patent:US1659901 21.02.1928 A. T. Winquist : Counter Pencil
- Patent:US1660638 28.02.1928 Warner Lester C Internat Accounting Machine Co : Adding Machine
- Patent:US1661095 28.02.1928 Eugene Rowe Joseph : Calculating Instrument
- Patent:US1661096 28.02.1928 Rowe, Joseph Eugene : Mathematical Instrument
- Patent:US1661110 28.02.1928 Cox, John D. : Calendar
- Patent:US1661277 06.03.1928 Thomas, Lucie, Meuter, Lucie, Bergmann, Jean : Computing machine
- Patent:US1661684 06.03.1928 Arthur Thomas Accounting and Tabulating Corp O : Statistical, calculating, and like machine controlled by mechanical records
- Patent:US1662526 13.03.1928 Luttropp, Conrad : Calculating Machine
- Patent:US1663726 27.03.1928 Pfeifer, John Kel-San Mfg. Co. : Adding Machine
- Patent:US1664454 03.04.1928 Franklin L. Hunt Roy C. Sylvander : Aircraft ground-speed indicator
- Patent:US1664661 03.04.1928 Chase, George Monroe Calculating Machine Comp. : Full cycle positioning mechanism
- Patent:US1664818 03.04.1928 Hewett John R : Photographic Exposure Calculator
- Patent:US1664946 03.04.1928 Robertson, William NCR : Cash register
- Patent:US1664956 03.04.1928 von Pein, Edward NCR : Cash register
- Patent:US1665527 10.04.1928 Lewis A. Brinkman : Pelorus
- Patent:US1667449 24.04.1928 Fritz Wömpner A.W.Faber-Castell : Magnifying device for slide rules
- Patent:US1667812 01.05.1928 E. H. Miller : Calculator
- Patent:US1668256 01.05.1928 E. C. Walter : Selecting Mechanism
- Patent:US1668280 01.05.1928 Maschmann, Rudolph Frank W. Stellwagen : Perpetual calendar
- Patent:US1668531 01.05.1928 Schmidt, Hermann : Calculating Machine
- Patent:US1669996 15.05.1928 Willi Naumann : Cash register
- Patent:US1670018 15.05.1928 Bernau, Frederick Ellis Adding Typewriter Comp. : Automatic carriage-return mechanises
- Patent:US1670512 22.05.1928 Andre Koronski, Heacock, Ralph : Machine for calculating moments of inertia
- Patent:US1671616 29.05.1928 E. A. Sperry : Logarithmic Calculator
- Patent:US1672129 05.06.1928 Jack Kleinman Philip F. Shafran : Printing device
- Patent:US1672882 12.06.1928 Charles H. Dudley Krippendorf Kalculator Comp. : Calculating machine
- Patent:US1672950 12.06.1928 William B. Mittendorf Watson Experimental Laboratory Comp. : Chart for counting and computing scales
- Patent:US1674157 19.06.1928 Christopher, Calvin F. : Calculating Device
- Patent:US1675046 26.06.1928 W. G. Orth et al : Indicating Device for Automobiles and the like
- Patent:US1676731 10.07.1928 J. Harrison : Denominating Machine
- Patent:US1676912 10.07.1928 Meacham Frederick C : Device for calculating time
- Patent:US1677897 24.07.1928 William W. Lasker Remington Rand : Analyzer unit for tabulating machines
- Patent:US1678019 24.07.1928 Oates Norford L : Calculating Device
- Patent:US1678674 31.07.1928 Walter Koenig, Jr. American Telephone & Telegraph Comp. : Method and apparatus for computation
- Patent:US1679265 31.07.1928 Perkins, Nathan W., Ens, Emil John Ellis Adding Typewriter Comp. : Adding and subtracting accumulator
- Patent:US1679380 07.08.1928 : Coding and decoding apparatus
- Patent:US1679905 07.08.1928 Kassner, Ernst : Resetting mechanism
- Patent:US1680113 07.08.1928 A. H. Pitney et al : Printing and Registering Mechanism
- Patent:US1680740 14.08.1928 Lake, Clair Tabulating Machine Company : Printing tabulator
- Patent:US1681567 21.08.1928 Barrett, Glenn Portable Adding Machine Comp. : Accumulator-control means of adding machines
- Patent:US1681740 21.08.1928 Norman G. Meyers B.V.D. Comp. Inc. : Device for computing underwear sizes
- Patent:US1682196 28.08.1928 Shipley, Bernis NCR : Cash register
- Patent:US1682197 28.08.1928 Shipley, Bernis NCR : Cash register
- Patent:US1682451 28.08.1928 Alfred Weiland Harold R. Russell Charles A. Mezger Remington Rand Inc : Typewriter-key punch
- Patent:US1682901 04.09.1928 Friden, Carl Mauritz Fredrick : Reversing Mechanism
- Patent:US1764915 10.09.1928 Vethe, Anders Addometer (Reliable) : calculating apparatus
- Patent:US1684001 11.09.1928 Alfred Weiland Harold R. Russell Charles A. Mezger Remington Rand Inc : Alphabetical keyboard punch
- Patent:US1684546 18.09.1928 Lasker, William Walter Remington Rand Inc : Carriage return and normalizing mechanism for card-perforating machines
- Patent:US1685074 18.09.1928 Chase, George Clinton : Multiplier Mechanism for Calculating Machines
- Patent:US1685583 25.09.1928 George Browning : Computing machine
- Patent:US1685685 25.09.1928 Smith, Abraham : Bookkeeping machine
- Patent:US1686351 02.10.1928 J. M. Spitzglass : Coal Meter
- Patent:US1686843 09.10.1928 Walter B. Burke Domino System Co. : Handicapping device
- Patent:US1688805 23.10.1928 Degener, Gustave O. Royal Typewriter Comp. : Adding attachment for typewriting machines
- Patent:US1689651 30.10.1928 E. C. Walter : Selecting Mechanism for Calculating Machines
- Patent:US1689983 30.10.1928 E. C. Walter : Selective Gear Transmission for Calculating Machines
- Patent:US1690487 06.11.1928 Horton, Allen Burroughs : Attachment for calculating machines
- Patent:US1690488 06.11.1928 Horton, Allen Burroughs : Cushioning mechanism for calculating machines
- Patent:US1690651 06.11.1928 Schubode, Albert Hannovera Kassen-GmbH : Calculating machine
- Patent:US1691104 13.11.1928 J. G. Zollman : Calculating Device
- Patent:US1691761 13.11.1928 T. B. Harper : Device for Computing Interest
- Patent:US1692293 20.11.1928 Lynden N. Davy : Zero-resetting device
- Patent:US1692411 20.11.1928 Kassner, Ernst : Check issuing and adding machine
- Patent:US1692758 20.11.1928 Nogrady, Henry Alexander Weiss : Multiple-year calendar
- Patent:US1693259 27.11.1928 Sundstrand, Oscar Sundstrand Corp. : Cash register
- Patent:US1693279 27.11.1928 Walter J. Kreider NCR : Cash register
- Patent:US1693753 04.12.1928 Hart, Frederick Remington Accounting Machine Comp. : Computing machine
- Patent:US1693766 04.12.1928 Schubode, Albert Hannoverakassen GmbH : Calculating Machine
- Patent:US1694009 04.12.1928 Goldberg, Maximilian Meyer NCR : Cash register
- Patent:US1694362 04.12.1928 David Sundstrand Gustaf Sundstrand : Adding and listing machine
- Patent:US1694405 11.12.1928 N. Y. Troidl : Educational Appliance
- Patent:US1694803 11.12.1928 Sundstrand, Oscar Sundstrand Corp. : Adding and listing machine
- Patent:US1694877 11.12.1928 Le Roi E. Hutchings : Stock Indicating Device
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