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David Hobson

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  • Cambridge, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Valve having rotatable cage
    • Patent number 5,335,692
    • Issue date Aug 9, 1994
    • Xomox Corporation
    • David J. Hobson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valve assembly and method of making same
    • Patent number 4,518,149
    • Issue date May 21, 1985
    • Xomox Corporation
    • John F. Gardner
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...