TREA

Combined Optical Industries Limited

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Patents Grantslast 30 patents

  • Information Patent Grant

    Pointers
    • Patent number 5,199,376
    • Issue date Apr 6, 1993
    • Combined Optical Industries Limited
    • Ian K. Pasco
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Aspheric lens having a plurality of lenslets disposed substantially...
    • Patent number 5,187,360
    • Issue date Feb 16, 1993
    • Combined Optical Industries Limited
    • Ian K. Pasco
    • G08 - SIGNALLING
  • Information Patent Grant

    Fresnel lens
    • Patent number 5,151,826
    • Issue date Sep 29, 1992
    • Combined Optical Industries Limited
    • Ian K. Pasco
    • G08 - SIGNALLING
  • Information Patent Grant

    Lens
    • Patent number 5,013,143
    • Issue date May 7, 1991
    • Combined Optical Industries Limited
    • Ian K. Pasco
    • G02 - OPTICS
  • Information Patent Grant

    Stand magnifier and lens
    • Patent number 4,944,574
    • Issue date Jul 31, 1990
    • Combined Optical Industries Limited
    • Robert J. Roote
    • G02 - OPTICS
  • Information Patent Grant

    Magnifier
    • Patent number D306175
    • Issue date Feb 20, 1990
    • Combined Optical Industries Limited
    • Veronica G. Steel
    • D16 - Photography and optical equipment
  • Information Patent Grant

    Magnifier
    • Patent number D303977
    • Issue date Oct 10, 1989
    • Combined Optical Industries Limited
    • Veronica G. Steel
    • D16 - Photography and optical equipment
  • Information Patent Grant

    Magnifier
    • Patent number D303119
    • Issue date Aug 29, 1989
    • Combined Optical Industries Limited
    • Veronica G. Steel
    • D16 - Photography and optical equipment
  • Information Patent Grant

    Lens
    • Patent number 4,836,659
    • Issue date Jun 6, 1989
    • Combined Optical Industries Limited
    • Robert J. Roote
    • G02 - OPTICS
  • Information Patent Grant

    Laminar light guide
    • Patent number 4,323,951
    • Issue date Apr 6, 1982
    • Combined Optical Industries Ltd.
    • Ian K. Pasco
    • G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

  • Information Trademark

    74731506 - COIL
    • Serial number 74731506
    • Registration number 1997036
    • Filing date Sep 20, 1995
    • Combined Optical Industries Limited
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments