TREA

Marian Toporkiewicz

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  • Toronto, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    3-D motion picture projection apparatus
    • Patent number 4,971,435
    • Issue date Nov 20, 1990
    • Imax Systems Corporation
    • William C. Shaw
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3-D motion picture projector
    • Patent number 4,966,454
    • Issue date Oct 30, 1990
    • Imax Systems Corporation
    • Marian Toporkiewicz
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY