James P. Unger

Person

  • Mansfield, MA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Tenter clip

    • Patent number 4,896,405
    • Issue date Jan 30, 1990
    • Marshall and Williams Company
    • Robert S. Simmons
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL