Richard E. Piper

Person

  • Lindsay, Ontario, CA

Patents Grantslast 30 patents

  • Information Patent Grant

    Sectional door installation

    • Patent number 5,163,494
    • Issue date Nov 17, 1992
    • Daniel J. MacNeil
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS