TREA

Thomas H. Koenig

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  • Raleigh, NC, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Twin face seal
    • Patent number 4,900,039
    • Issue date Feb 13, 1990
    • The Pullman Company
    • Brian D. Klecker
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...