David A. Jenkins

Person

  • Warren, PA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Fall arresting ladder safety device

    • Patent number 6,161,647
    • Issue date Dec 19, 2000
    • Pitt-Des Moines, Inc.
    • J. Michael Braden
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS