Alan H. Woodruff

Person

  • Altoona, IA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Door with transom window

    • Patent number 5,230,376
    • Issue date Jul 27, 1993
    • Emco Enterprises, Inc., d/b/a Emco Specialties, Inc.
    • Alan H. Woodruff
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Reversible hinge door assembly

    • Patent number 5,216,839
    • Issue date Jun 8, 1993
    • Emco Specialties, Inc.
    • Alan H. Woodruff
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Door edge construction

    • Patent number 5,214,880
    • Issue date Jun 1, 1993
    • Emco Enterprises, Inc.
    • Alan H. Woodruff
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Method and means for securing screen to a frame

    • Patent number 5,039,246
    • Issue date Aug 13, 1991
    • Emco Specialties, Inc.
    • Alan H. Woodruff
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS