Dennis J. Dugas

Person

  • Mapleville, RI, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Bit retention system

    • Patent number 6,698,537
    • Issue date Mar 2, 2004
    • Numa Tool Company
    • Jack H. Pascale
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

  • Information Patent Application

    Bit retention system

    • Publication number 20030102167
    • Publication date Jun 5, 2003
    • Numa Tool Company.
    • Jack H. Pascale
    • E21 - EARTH DRILLING MINING