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Joseph R. Graves

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  • Seattle, WA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Solar system clock
    • Patent number 4,740,931
    • Issue date Apr 26, 1988
    • Joseph R. Graves
    • G04 - HOROLOGY
  • Information Patent Grant

    Solar system clock
    • Patent number 4,671,669
    • Issue date Jun 9, 1987
    • Joseph R. Graves
    • G04 - HOROLOGY
  • Information Patent Grant

    Solar system clock
    • Patent number 4,583,864
    • Issue date Apr 22, 1986
    • Joseph R. Graves
    • G04 - HOROLOGY