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Derek Ray Parkins

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  • Dunstable, EN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hydraulic clutch release mechanism for motor vehicles
    • Patent number 4,069,904
    • Issue date Jan 24, 1978
    • SKF Industrial Trading and Development Company B.V.
    • Roy Peter Garrett
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Hydraulic clutch release mechanism for motor vehicles
    • Patent number 4,051,937
    • Issue date Oct 4, 1977
    • SKF Industrial Trading and Development Company B.V.
    • Roy Peter Garrett
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Hydraulic release mechanism for clutches
    • Patent number 3,970,177
    • Issue date Jul 20, 1976
    • SKF Trading and Development Co. B.V.
    • Roy Peter Garrett
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...