De Witt R. Petterson

Person

  • Dover, MA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Sucker rod

    • Patent number 4,497,866
    • Issue date Feb 5, 1985
    • Albany International Corp.
    • De Witt R. Petterson
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL