TREA

SIGMA DESIGN GROUP

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Organization

  • SANTA MONICA, CA, US
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Projection screen
    • Patent number 4,750,808
    • Issue date Jun 14, 1988
    • Sigma Design Group
    • Gerald C. Nash
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

  • Information Trademark

    74185648 - ULTRAVISION
    • Serial number 74185648
    • Registration number 1973160
    • Filing date Jul 16, 1991
    • SIGMA DESIGN GROUP
    • 42 - Scientific and technological services and research and design relating thereto
  • Information Trademark

    73770529 - TORUS CCS
    • Serial number 73770529
    • Registration number 1559643
    • Filing date Dec 16, 1988
    • SIGMA DESIGN GROUP
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    73694891 - SIGMA DESIGN GROUP
    • Serial number 73694891
    • Registration number 1533995
    • Filing date Nov 12, 1987
    • SIGMA DESIGN GROUP
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments