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Die große Enzyklopädie des mechanischen Rechnens

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Résultats de recherche: Haddan, Alfred John Henry


 
  • Patent:GB100568 01.06.1916 Haddan, Alfred John Henry (P) : Improvements in Multiple Totalizer Selecting Mechanism and Associated Column Printing Devices for Adding and Subtracting Machines
  • Patent:GB100569 01.06.1916 Haddan, Alfred John Henry (P) : Improvements in and relating to the Differential Mechanism, Totalizer Actuating Arrangements and Transfer Devices of Adding and Subtracting M
  • Patent:GB100570 01.06.1916 Haddan, Alfred John Henry (P) NCR (P) : Improvements in and relating to Means for Feeding Record Material in Recording, Registering and the like Machines
  • Patent:GB108722 17.08.1917 Haddan, Alfred John Henry (P) NCR (P) : Improvements in Key Controlled Differential Actuating Mechanism forh Registers and like Machines
  • Patent:GB108726 20.08.1917 Haddan, Alfred John Henry (P) NCR (P) : Improvements in Cash Registers.
  • Patent:GB108731 21.08.1917 Haddan, Alfred John Henry (P) NCR (P) : Improvements in Cash Registers or similar Machines with Detachable Entry Retaining Devices
  • Patent:GB108800 17.08.1917 Haddan, Alfred John Henry (P) NCR (P) : Improvements in and relating to the Total and Sub-total Printing
  • Patent:GB123818 06.03.1919 Haddan, Alfred John Henry (P) NCR (P) : Improvements in Differential Mechanism for Key Set and Key Operated Cash Registers and like Registering Machines
  • Patent:GB130123 17.07.1919 Haddan, Alfred John Henry (P) : Improvements in Coin Controlled Machines for Issuing Tickets and the like
  • Patent:GB143311 19.02.1919 Haddan, Alfred John Henry (P) NCR (P) : Cash Registers with operating means
  • Patent:GB144361 07.06.1920 Haddan, Alfred John Henry (P) NCR (P) : Improvements in Cash Registers.
  • Patent:GB144366 06.03.1919 Haddan, Alfred John Henry (P) NCR (P) : Tickets, issuing and cutting off
  • Patent:GB144373 07.03.1919 Haddan, Alfred John Henry (P) NCR (P) : Column Printing Arrangements
  • Patent:GB144538 07.03.1919 Haddan, Alfred John Henry (P) NCR (P) : Machines for writing on Books
  • Patent:GB144542 07.03.1919 Haddan, Alfred John Henry (P) NCR (P) : Looking devices
  • Patent:GB144544 07.04.1919 Haddan, Alfred John Henry (P) NCR (P) : Type Wheel Action
  • Patent:GB191508119 01.06.1916 Haddan, Alfred John Henry (P) : Improvements in and relating to Total Taking and Printing Mechanism of Adding and Subtracting Machines

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