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Richard H. Hollrock

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  • Simsbury, CT, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Golf ball handling system
    • Patent number 5,350,260
    • Issue date Sep 27, 1994
    • Hollrock Engineering, Inc.
    • Richard H. Hollrock
    • F26 - DRYING
  • Information Patent Grant

    Golf ball handling system
    • Patent number 5,332,350
    • Issue date Jul 26, 1994
    • Hollrock Engineering, Inc.
    • Richard H. Hollrock
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf ball handling system
    • Patent number 5,228,168
    • Issue date Jul 20, 1993
    • Hollrock Engineering, Inc.
    • Richard H. Hollrock
    • F26 - DRYING
  • Information Patent Grant

    Golf ball retriever
    • Patent number 3,995,759
    • Issue date Dec 7, 1976
    • Richard H. Hollrock
    • A63 - SPORTS GAMES AMUSEMENTS