Joseph J. Hilzendeger

Person

  • Carson, CA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Filter element locking mechanism

    • Patent number 4,322,231
    • Issue date Mar 30, 1982
    • Farr Company
    • Joseph J. Hilzendeger
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL