Ernst C. Janzen

Person

  • North Vancouver, CA

Patents Grantslast 30 patents

  • Information Patent Grant

    Vapor-powered kinetic pump

    • Patent number 7,021,900
    • Issue date Apr 4, 2006
    • Melvin L. Prueitt
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents