TREA

Clair W. Hartle Jr.

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  • Monroeville, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Valve stem seal with multiple ring means
    • Patent number 4,577,872
    • Issue date Mar 25, 1986
    • Rockwell International Corporation
    • Earl A. Bake
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...