with provision for simultaneous transfer between all ordners

Patents Grantslast 30 patents

  • Information Patent Grant

    2646929

    • Patent number 2,646,929
    • Issue date Jul 28, 1953
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    2646928

    • Patent number 2,646,928
    • Issue date Jul 28, 1953
    • G06 - COMPUTING CALCULATING COUNTING