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David A. Barker

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  • Cerritos, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Piloted swivel seal fitting
    • Patent number 5,340,168
    • Issue date Aug 23, 1994
    • David A. Barker
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Poppet valve lash cap assembly
    • Patent number 4,829,952
    • Issue date May 16, 1989
    • David A. Barker
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES