Derek L. Dunmire

Person

  • St. Louis, MO, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Rappelling rig

    • Patent number 7,216,740
    • Issue date May 15, 2007
    • Michael P. Dierkes
    • A62 - LIFE-SAVING FIRE-FIGHTING

Patents Applicationslast 30 patents