William P. Benjamin

Person

  • Chandler, AZ, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Thermoplastic composite induction welder

    • Patent number 4,978,825
    • Issue date Dec 18, 1990
    • Northrop Corporation
    • Wayne W. Schmidt
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL