TREA

Harold T. Gruber

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  • Summit Station, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Suspended luminaire
    • Patent number D350622
    • Issue date Sep 13, 1994
    • Holophane Lighting, Inc.
    • Harold T. Gruber
    • D26 - Lighting
  • Information Patent Grant

    Suspended luminaire
    • Patent number D347486
    • Issue date May 31, 1994
    • Holophane Lighting, Inc.
    • Harold T. Gruber
    • D26 - Lighting
  • Information Patent Grant

    Suspended luminaire
    • Patent number D345433
    • Issue date Mar 22, 1994
    • Holophane Lighting, Inc.
    • Harold T. Gruber
    • D26 - Lighting
  • Information Patent Grant

    Suspended luminaire
    • Patent number D345432
    • Issue date Mar 22, 1994
    • Holophane Lighting, Inc.
    • Harold T. Gruber
    • D26 - Lighting
  • Information Patent Grant

    Suspended luminaire
    • Patent number D345434
    • Issue date Mar 22, 1994
    • Holophane Lighting, Inc.
    • Harold T. Gruber
    • D26 - Lighting
  • Information Patent Grant

    Support assembly for suspended luminaire
    • Patent number D343253
    • Issue date Jan 11, 1994
    • Holophane Company, Inc.
    • Harold T. Gruber
    • D26 - Lighting