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John R. Hanning

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  • Wake Forest, NC, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pneumatic pressure regulator
    • Patent number 5,586,569
    • Issue date Dec 24, 1996
    • Parker-Hannifin Corporation
    • John R. Hanning
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Low restriction fluid control valve
    • Patent number 4,825,907
    • Issue date May 2, 1989
    • Parker-Hannifin Corporation
    • J. Les Johnson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...