Wiliam J. Krygsman

Person

  • Tillsonburg, CA

Patents Applicationslast 30 patents

  • Information Patent Application

    Railroad tie and method for making same

    • Publication number 20020123553
    • Publication date Sep 5, 2002
    • Henry W. Sullivan
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL