Jack L. Workman

Person

  • Charleston, WV, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Plastic pipe fitting

    • Patent number 4,248,460
    • Issue date Feb 3, 1981
    • Coyt E. Murray
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL