Dirk Vandertoolen

Person

  • Salt Lake City, UT, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Vacuum pan raising and lowering system

    • Patent number 4,336,139
    • Issue date Jun 22, 1982
    • Envirotech Corporation
    • Max A. Mueller
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL