TREA

HOLLROCK ENGINEERING, INC., A CT CORP

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Organization

  • SIMSBURY, CT, US
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for washing and sorting plastic balls
    • Patent number 5,647,089
    • Issue date Jul 15, 1997
    • Hollrock Engineering, Inc.
    • J. Richard Hollrock
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Device for prewashing and sorting golf balls
    • Patent number 5,609,173
    • Issue date Mar 11, 1997
    • Hollrock Engineering, Inc.
    • J. Richard Hollrock
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • 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 washer
    • Patent number 4,805,251
    • Issue date Feb 21, 1989
    • Hollrock Engineering, Inc.
    • J. Richard Hollrock
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Convertible truck bed for pickup
    • Patent number 4,695,087
    • Issue date Sep 22, 1987
    • Hollrock Engineering, Inc.
    • J. Richard Hollrock
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

  • Information Trademark

    78580400 - ROBOT
    • Serial number 78580400
    • Registration number 3144467
    • Filing date Mar 4, 2005
    • Hollrock Engineering, Inc.
    • 28 - Games and playthings
  • Information Trademark

    74477495 - BALL SHOOTER
    • Serial number 74477495
    • Registration number 1897168
    • Filing date Jan 7, 1994
    • Hollrock Engineering, Inc.
    • 7 - Machines and machine tools