John S. Boruszewski

Person

  • Saginaw, MI, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Foam welding apparatus

    • Patent number 4,175,998
    • Issue date Nov 27, 1979
    • The Dow Chemical Company
    • Robert A. Hay
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL