Richard F. Cummins

Person

  • Lawrence, KS, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Controlled wall casting process

    • Patent number 4,840,764
    • Issue date Jun 20, 1989
    • Richard F. Cummins
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL