Donald L. Kammerzell

Person

  • Phoenix, AZ, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Rapidly erectable portable stage

    • Patent number 5,947,502
    • Issue date Sep 7, 1999
    • K-Zell Metals, Inc.
    • Donald L. Kammerzell
    • B60 - VEHICLES IN GENERAL