Phillip L. Witherspoon

Person

  • Summerfield, NC, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Tire retreading envelope seal

    • Patent number 4,309,234
    • Issue date Jan 5, 1982
    • Long Mile Rubber Company
    • Phillip L. Witherspoon
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL