TREA

J. Les Johnson

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  • Morrisville, NC, US
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Patents Grantslast 30 patents

  • 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...