Roger A. Ruth

Person

  • Glenmoore, PA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Foam liquid concentrate supply system

    • Patent number 4,436,487
    • Issue date Mar 13, 1984
    • Enterra Corporation
    • Fay A. Purvis
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL