Robert O. Hayes

Person

  • Lake St. Louis, MO, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Electric drive for blow molding head

    • Patent number 5,851,570
    • Issue date Dec 22, 1998
    • Robert O. Hayes
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL