TREA

Constantin Systems, Inc.

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Organization

  • Chicago, IL, US
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Opaque projector
    • Patent number RE32648
    • Issue date Apr 19, 1988
    • Constantin Systems, Inc.
    • John R. Montgomery
    • 353 - Optics: image projectors
  • Information Patent Grant

    Portable opaque projector
    • Patent number 4,721,380
    • Issue date Jan 26, 1988
    • Constantin Systems, Inc.
    • Stephen Gryglas
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Thermal management system for an episcopic image projector
    • Patent number 4,682,868
    • Issue date Jul 28, 1987
    • Constantin Systems, Inc.
    • Emile J. Constantin
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Opaque projector
    • Patent number 4,468,105
    • Issue date Aug 28, 1984
    • Constantin Systems, Inc.
    • John R. Montgomery
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Trademarklast 30 trademarks

  • Information Trademark

    73551916 - OPIX
    • Serial number 73551916
    • Registration number 1508956
    • Filing date Aug 5, 1985
    • QUANTUM DATA, INC.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    73551423 - OPIX
    • Serial number 73551423
    • Registration number 1413129
    • Filing date Aug 2, 1985
    • CONSTANTIN SYSTEMS, INC.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    73532101 - CS
    • Serial number 73532101
    • Registration number 1364237
    • Filing date Apr 15, 1985
    • CONSTANTIN SYSTEMS, INC.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments