connected to the pick-up arm or head

Patents Grantslast 30 patents

  • Information Patent Grant

    3313548

    • Patent number 3,313,548
    • Issue date Apr 11, 1967
    • G11 - INFORMATION STORAGE
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    3290045

    • Patent number 3,290,045
    • Issue date Dec 6, 1966
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    2991331

    • Patent number 2,991,331
    • Issue date Jul 4, 1961
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  • Information Patent Grant

    2509307

    • Patent number 2,509,307
    • Issue date May 30, 1950
    • G11 - INFORMATION STORAGE

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