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03.01.1928 Sinks Charles M : Automatic paper-straightening attachment for adding machines
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10.01.1928 Shipley, Bernis (P) NCR (P) : Cash register
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10.01.1928 Rodney Nichols Charles : Calculating Device
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17.01.1928 John Joseph Gahan : Machine-gun fire-data finder
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24.01.1928 Scherbius, Arthur (P) Chiffriermaschinen AG : Ciphering Machine
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31.01.1928 Robertson, William (P) NCR (P) : Cash register
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31.01.1928 Pruett H. Henderson : Expense register actuator
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31.01.1928 Bryce, James (P) Tabulating Machine (P) Company : Record-controlled machine
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07.02.1928 Bindschedler, Theodore (P) Burroughs (P) : Make and break switch for adding machines
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14.02.1928 Montreville Somes : Rule slide for setting blank forms on slug-casting machines
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28.02.1928 Eugene Rowe Joseph : Calculating Instrument
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28.02.1928 Rowe, Joseph Eugene (P) : Mathematical Instrument
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28.02.1928 Cox, John D. : Calendar
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06.03.1928 Thomas, Lucie (P), Meuter, Lucie (P), Bergmann, Jean (P) : Computing machine
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06.03.1928 Arthur Thomas Accounting and Tabulating Corp O : Statistical, calculating, and like machine controlled by mechanical records
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03.04.1928 Robertson, William (P) NCR (P) : Cash register
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10.04.1928 Lewis A. Brinkman : Pelorus
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01.05.1928 Maschmann, Rudolph Frank W. Stellwagen : Perpetual calendar
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15.05.1928 Willi Naumann : Cash register
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15.05.1928 Bernau, Frederick (P) Ellis (P) Adding Typewriter Comp. : Automatic carriage-return mechanises
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22.05.1928 Andre Koronski, Heacock, Ralph (P) : Machine for calculating moments of inertia
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14.08.1928 Lake, Clair (P) Tabulating Machine (P) Company : Printing tabulator
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21.08.1928 Barrett, Glenn (P) Portable Adding Machine Comp. : Accumulator-control means of adding machines
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28.08.1928 Shipley, Bernis (P) NCR (P) : Cash register
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25.09.1928 George Browning : Computing machine
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09.10.1928 Walter B. Burke Domino System Co. : Handicapping device
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23.10.1928 Degener, Gustave O. (P) Royal Typewriter (P) Comp. : Adding attachment for typewriting machines
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06.11.1928 Horton, Allen (P) Burroughs (P) : Cushioning mechanism for calculating machines
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20.11.1928 Lynden N. Davy : Zero-resetting device
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20.11.1928 Kassner, Ernst (P) : Check issuing and adding machine
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20.11.1928 Nogrady, Henry Alexander Weiss : Multiple-year calendar
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27.11.1928 Sundstrand, Oscar (P) Sundstrand (P) Corp. : Cash register
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27.11.1928 Walter J. Kreider NCR (P) : Cash register
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04.12.1928 Hart, Frederick (P) Remington (P) Accounting Machine Comp. : Computing machine
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04.12.1928 Schubode, Albert (P) Hannoverakassen GmbH : Calculating Machine
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04.12.1928 Goldberg, Maximilian Meyer (P) NCR (P) : Cash register
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04.12.1928 David Sundstrand Gustaf Sundstrand (P) : Adding and listing machine
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11.12.1928 Sundstrand, Oscar (P) Sundstrand (P) Corp. : Adding and listing machine
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10.09.1928 Vethe, Anders (P) Addometer (Reliable) : calculating apparatus