Hess M. Roberts

Person

  • St. Louis, MO, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Fully integrated drum pump

    • Patent number 6,405,907
    • Issue date Jun 18, 2002
    • Hess M. Roberts
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...