TREA

Werner Gassmann

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  • Danikon, CH
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Patents Grantslast 30 patents

  • Information Patent Grant

    Spiral storage
    • Patent number 6,270,029
    • Issue date Aug 7, 2001
    • Gretag Imaging AG
    • Albert Dünner
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Cassette for winding up photographic strip material
    • Patent number 5,284,305
    • Issue date Feb 8, 1994
    • Gretag Systems, Inc.
    • Werner Gassmann
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY