William B. Eckstein

Person

  • Piqua, OH, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Devolatilizing vent

    • Patent number 4,120,050
    • Issue date Oct 10, 1978
    • The French Oil Mill Machinery Company
    • Gregory C. Craig
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL