TREA

Robert J. Spry

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  • Tipp City, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Superconducting submicron filter
    • Patent number 5,270,872
    • Issue date Dec 14, 1993
    • The United States of America as represented by the Secretary of the Air Force
    • Robert J. Spry
    • G02 - OPTICS
  • Information Patent Grant

    Superconducting searching filter
    • Patent number 5,161,068
    • Issue date Nov 3, 1992
    • The United States of America as represented by the Secretary of the Air Force
    • Robert J. Spry
    • G02 - OPTICS
  • Information Patent Grant

    Superconducting reflection filter
    • Patent number 5,155,634
    • Issue date Oct 13, 1992
    • The United States of America as represented by the Secretary of the Air Force
    • Robert J. Spry
    • G02 - OPTICS
  • Information Patent Grant

    Superconducting tunable inorganic filter
    • Patent number 5,142,418
    • Issue date Aug 25, 1992
    • The Unites States of America as represented by the Secretary of the Air Force
    • Robert J. Spry
    • G02 - OPTICS
  • Information Patent Grant

    High efficiency nonlinear Kerr effect filter
    • Patent number 4,986,635
    • Issue date Jan 22, 1991
    • The United States of America as represented by the Secretary of the Air Froce
    • Robert J. Spry
    • G02 - OPTICS
  • Information Patent Grant

    Refractive index measurement cell
    • Patent number 4,756,618
    • Issue date Jul 12, 1988
    • Robert J. Spry
    • G01 - MEASURING TESTING