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Richard H. Spencer

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  • Winchester, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Liquid spray dispenser
    • Patent number 5,150,841
    • Issue date Sep 29, 1992
    • Dowbrands Inc.
    • Scott A. Silvenis
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Differential manometer pressure gage
    • Patent number 5,035,145
    • Issue date Jul 30, 1991
    • Arthur D. Little, Inc.
    • Richard H. Spencer
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Thermal control system
    • Patent number 4,388,964
    • Issue date Jun 21, 1983
    • Arthur D. Little, Inc.
    • David W. Almgren
    • B64 - AIRCRAFT AVIATION COSMONAUTICS