TREA

Keystone Lighting Corporation

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Organization

  • Bristol, PA, US
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Fluorescent lamp system
    • Patent number 4,504,891
    • Issue date Mar 12, 1985
    • Keystone Lighting Corporation
    • Bernard Mazis
    • F21 - LIGHTING
  • Information Patent Grant

    Spring latch
    • Patent number 4,280,724
    • Issue date Jul 28, 1981
    • Keystone Lighting Corp.
    • John Dalton
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Housing for light fixture
    • Patent number D253309
    • Issue date Oct 30, 1979
    • Keystone Lighting Corp.
    • John Dalton
    • D48 -
  • Information Patent Grant

    Light fixture
    • Patent number 4,149,226
    • Issue date Apr 10, 1979
    • Keystone Lighting Corp.
    • John Dalton
    • F21 - LIGHTING

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

  • Information Trademark

    74249545 - DEFENDER
    • Serial number 74249545
    • Registration number 1783374
    • Filing date Feb 25, 1992
    • Keystone Lighting Corporation
    • 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes