Johnnie M. Williams

Person

  • Clarkston, MI, US

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    CORROSION RESISTANT INSERT FOR A CYLINDER HEAD

    • Publication number 20100313842
    • Publication date Dec 16, 2010
    • GM Global Technology Operations, Inc.
    • Guangling Song
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES