Marvin G. PIWONKA

Person

  • Katy, TX, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Adjustable choke for oil and gas industry

    • Patent number 8,402,996
    • Issue date Mar 26, 2013
    • T-3 Property Holdings, Inc.
    • Marvin G. Piwonka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents