William Campbell Birch

Person

  • Mission Hills, CA, US

Patents Applicationslast 30 patents

  • Information Patent Application

    Ice resurfacing blade

    • Publication number 20050245184
    • Publication date Nov 3, 2005
    • 32 Degrees, Inc.
    • Andy Beilin
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES