with dials, pointers, or similar type indicating means

Industry

  • CPC
  • G06M3/067
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Patents Grantslast 30 patents

  • Information Patent Grant

    2273513

    • Patent number 2,273,513
    • Issue date Feb 17, 1942
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    1737863

    • Patent number 1,737,863
    • Issue date Dec 3, 1929
    • G06 - COMPUTING CALCULATING COUNTING