TREA

Joseph T. Fournier Jr.

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  • Storrs, CT, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Stabilized photochromic materials
    • Patent number 4,166,043
    • Issue date Aug 28, 1979
    • American Optical Corporation
    • Donald R. Uhlmann
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Stabilized photochromic materials
    • Patent number 4,046,586
    • Issue date Sep 6, 1977
    • American Optical Corporation
    • Donald R. Uhlmann
    • G02 - OPTICS
  • Information Patent Grant

    Stabilized photochromic materials
    • Patent number 4,012,232
    • Issue date Mar 15, 1977
    • Chu; Nori Y. C.
    • Donald R. Uhlmann
    • G02 - OPTICS