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John F. Davidson

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  • Cambridge, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Impeller
    • Patent number RE34386
    • Issue date Sep 21, 1993
    • National Research Development Corporation
    • John F. Davidson
    • 416 - Fluid reaction surfaces
  • Information Patent Grant

    Impellers
    • Patent number 4,799,862
    • Issue date Jan 24, 1989
    • National Research Development Corporation
    • John F. Davidson
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL