Phillip W. Haga

Person

  • Cilhowie, VA, US

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    Roof bit and insert assembly

    • Publication number 20040089481
    • Publication date May 13, 2004
    • Douglas E. Bise
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Liquid seal for wet roof bit

    • Publication number 20030051920
    • Publication date Mar 20, 2003
    • Douglas E. Bise
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Monolithic roof bit cutting bit insert

    • Publication number 20020195279
    • Publication date Dec 26, 2002
    • Douglas E. Bise
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Roof bit body and insert assembly

    • Publication number 20020195280
    • Publication date Dec 26, 2002
    • Douglas E. Bise
    • E21 - EARTH DRILLING MINING