John M. Menhart

Person

  • Sewickley, PA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Skimmer filters for ponds

    • Patent number 6,054,045
    • Issue date Apr 25, 2000
    • Pond Supplies of America, Inc.
    • Gary G. Wittstock
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents