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Robert Lowell Ewing

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  • Newark, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Modular luminaire assembly
    • Patent number 6,481,867
    • Issue date Nov 19, 2002
    • Acuity Brands, Inc.
    • Robert L. Ewing
    • F21 - LIGHTING
  • Information Patent Grant

    Postop luminaire
    • Patent number D456092
    • Issue date Apr 23, 2002
    • NSI Enterprises, Inc.
    • Robert Lowell Ewing
    • D26 - Lighting
  • Information Patent Grant

    Modular electrical assembly for ornamental luminaire
    • Patent number 6,186,643
    • Issue date Feb 13, 2001
    • NSI Enterprises, Inc.
    • Robert Lowell Ewing
    • F21 - LIGHTING
  • Information Patent Grant

    Suspended luminaire
    • Patent number D436682
    • Issue date Jan 23, 2001
    • NSI Enterprises, Inc.
    • Robert L. Ewing
    • D26 - Lighting
  • Information Patent Grant

    Suspended luminaire
    • Patent number D432257
    • Issue date Oct 17, 2000
    • Holophane Corporation
    • Robert L. Ewing
    • D26 - Lighting
  • Information Patent Grant

    Suspended luminaire
    • Patent number D427353
    • Issue date Jun 27, 2000
    • Holophane Corporation
    • Robert L. Ewing
    • D26 - Lighting
  • Information Patent Grant

    Suspended luminaire
    • Patent number D427354
    • Issue date Jun 27, 2000
    • Holophane Corporation
    • Robert L. Ewing
    • D26 - Lighting
  • Information Patent Grant

    Suspended luminaire
    • Patent number D426664
    • Issue date Jun 13, 2000
    • Holophane Corporation
    • Robert L. Ewing
    • D26 - Lighting
  • Information Patent Grant

    Suspended luminaire
    • Patent number D426663
    • Issue date Jun 13, 2000
    • Holophane Corporation
    • Robert L. Ewing
    • D26 - Lighting
  • Information Patent Grant

    Suspended luminaire
    • Patent number D426340
    • Issue date Jun 6, 2000
    • Holophane Corporation
    • Robert L. Ewing
    • D26 - Lighting
  • Information Patent Grant

    Pole top luminaire
    • Patent number D424730
    • Issue date May 9, 2000
    • Holophane Corporation
    • Robert L. Ewing
    • D26 - Lighting
  • Information Patent Grant

    Pole mounted street luminaire
    • Patent number D403095
    • Issue date Dec 22, 1998
    • Holophane Corporation
    • Robert Lowell Ewing
    • D26 - Lighting
  • Information Patent Grant

    Pole mounted street luminaire
    • Patent number D400277
    • Issue date Oct 27, 1998
    • Holophane Corporation
    • Robert Lowell Ewing
    • D26 - Lighting
  • Information Patent Grant

    Suspended luminaire
    • Patent number D391383
    • Issue date Feb 24, 1998
    • Holophane Corporation
    • Robert Lowell Ewing
    • D26 - Lighting
  • Information Patent Grant

    Suspended luminaire
    • Patent number D390994
    • Issue date Feb 17, 1998
    • Holophane Corporation
    • Robert Lowell Ewing
    • D26 - Lighting
  • Information Patent Grant

    Pole mounted street luminaire
    • Patent number D390995
    • Issue date Feb 17, 1998
    • Holophane Corporation
    • Robert Lowell Ewing
    • D26 - Lighting
  • Information Patent Grant

    Modular luminaire assembly
    • Patent number 5,351,174
    • Issue date Sep 27, 1994
    • Holophane Lighting, Inc.
    • Robert L. Ewing
    • F21 - LIGHTING
  • Information Patent Grant

    Pole mounted street luminaire
    • Patent number D343243
    • Issue date Jan 11, 1994
    • Holophane Company, Inc.
    • Robert L. Ewing
    • D26 - Lighting
  • Information Patent Grant

    Pole mounted street luminaire
    • Patent number D339877
    • Issue date Sep 28, 1993
    • Holophane Company, Inc.
    • Robert L. Ewing
    • D26 - Lighting
  • Information Patent Grant

    Modular luminaire assembly
    • Patent number 5,243,508
    • Issue date Sep 7, 1993
    • Holophane Company, Inc.
    • Robert L. Ewing
    • F21 - LIGHTING
  • Information Patent Grant

    Pole mounted street luminaire
    • Patent number D338978
    • Issue date Aug 31, 1993
    • Holophane Company, Inc.
    • Robert L. Ewing
    • D26 - Lighting
  • Information Patent Grant

    Pole mounted street luminaire
    • Patent number D338977
    • Issue date Aug 31, 1993
    • Holophane Company, Inc.
    • Robert L. Ewing
    • D26 - Lighting
  • Information Patent Grant

    Luminaire
    • Patent number D333011
    • Issue date Feb 2, 1993
    • Holophane Company, Inc.
    • Robert L. Ewing
    • D26 - Lighting
  • Information Patent Grant

    Luminaire
    • Patent number D332504
    • Issue date Jan 12, 1993
    • Holophane Company, Inc.
    • Robert L. Ewing
    • D26 - Lighting
  • Information Patent Grant

    Industrial luminaire with a quickly installed new and improved opti...
    • Patent number 5,121,309
    • Issue date Jun 9, 1992
    • Holophane Company, Inc.
    • Robert L. Ewing
    • F21 - LIGHTING
  • Information Patent Grant

    Luminaire
    • Patent number D321408
    • Issue date Nov 5, 1991
    • Holophane Company, Inc.
    • James S. Hughes
    • D26 - Lighting
  • Information Patent Grant

    Luminaire
    • Patent number D315612
    • Issue date Mar 19, 1991
    • Holophane Company, Inc.
    • James S. Hughes
    • D26 - Lighting
  • Information Patent Grant

    Luminaire
    • Patent number D307188
    • Issue date Apr 10, 1990
    • Holophane Company, Inc.
    • James E. Denney
    • D26 - Lighting
  • Information Patent Grant

    Industrial luminaire
    • Patent number D303434
    • Issue date Sep 12, 1989
    • Manville Corporation
    • Robert L. Ewing
    • D26 - Lighting
  • Information Patent Grant

    Luminaire
    • Patent number D300670
    • Issue date Apr 11, 1989
    • Manville Corporation
    • Robert L. Ewing
    • D26 - Lighting

Patents Applicationslast 30 patents

  • Information Patent Application

    Modular luminaire assembly
    • Publication number 20020126477
    • Publication date Sep 12, 2002
    • NSI Enterprises, Inc.
    • Robert L. Ewing
    • F21 - LIGHTING