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Alvin Drehman

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  • Chelmsford, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Light transmissive films
    • Patent number 7,318,948
    • Issue date Jan 15, 2008
    • United States of America as represented by the Secretary of the Air Force
    • Alvin J. Drehman
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Device and process for measuring electrical properties at a plurali...
    • Patent number 5,936,401
    • Issue date Aug 10, 1999
    • The United States of America as represented by the Secretary of the Air Force
    • Alvin Drehman
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Superconducting weak link array switch
    • Patent number 5,742,073
    • Issue date Apr 21, 1998
    • The United States of America as represented by the Secretary of the Air Force
    • Hua Jiang
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Conical magnetron sputter source
    • Patent number 5,378,341
    • Issue date Jan 3, 1995
    • The United States of America as represented by the Secretary of the Air Force
    • Alvin J. Drehman
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Magnetic field operated superconductor switch
    • Patent number 5,376,626
    • Issue date Dec 27, 1994
    • The United States of America as represented by the Secretary of the Air Force
    • Alvin J. Drehman
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Superconductor switch
    • Patent number 4,963,852
    • Issue date Oct 16, 1990
    • The United States of America as represented by the Secretary of the Air Force
    • Alvin J. Drehman
    • H01 - BASIC ELECTRIC ELEMENTS