TREA

Raymond E. Tibbetts

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  • Mahopac, NY, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical projection system
    • Patent number 5,159,172
    • Issue date Oct 27, 1992
    • International Business Machines Corporation
    • Douglas S. Goodman
    • G02 - OPTICS
  • Information Patent Grant

    Laser beam homogenizer
    • Patent number 4,744,615
    • Issue date May 17, 1988
    • International Business Machines Corporation
    • Bunsen Fan
    • G02 - OPTICS
  • Information Patent Grant

    Achromatic unit magnification optical system
    • Patent number 4,171,871
    • Issue date Oct 23, 1979
    • International Business Machines Corporation
    • Frederick H. Dill
    • G02 - OPTICS