of prison cell doors

Patents Grantslast 30 patents

  • Information Patent Grant

    Sliding security door

    • Patent number 8,959,836
    • Issue date Feb 24, 2015
    • Hydra DoorCo LLC
    • Gary Gayhart
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Detention facility cell door lock and housing assembly

    • Patent number 8,528,272
    • Issue date Sep 10, 2013
    • Willo Products Company, Inc.
    • Brian S Foss
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Detention cell locking system

    • Patent number 5,299,385
    • Issue date Apr 5, 1994
    • Glitsch, Inc.
    • Lloyd McConnell
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Jail cell lock mechanism

    • Patent number 4,897,959
    • Issue date Feb 6, 1990
    • Marotta Scientific Controls, Inc.
    • Donald A. Worden
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Control system for an automatic door

    • Patent number 4,673,848
    • Issue date Jun 16, 1987
    • Yoshida Kogyo K. K.
    • Isao Hagiwara
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Jail door operating and locking mechanism

    • Patent number 4,641,458
    • Issue date Feb 10, 1987
    • Walter R. Pilcher
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Actuating and locking mechanism for sliding door

    • Patent number 4,621,451
    • Issue date Nov 11, 1986
    • Arthur Bruehler
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Prison door locking mechanism

    • Patent number 3,961,447
    • Issue date Jun 8, 1976
    • Folger Adam Co.
    • Francis T. Wolz
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    3866354

    • Patent number 3,866,354
    • Issue date Feb 18, 1975
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    3830017

    • Patent number 3,830,017
    • Issue date Aug 20, 1974
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    3675369

    • Patent number 3,675,369
    • Issue date Jul 11, 1972
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    3571974

    • Patent number 3,571,974
    • Issue date Mar 23, 1971
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    3564772

    • Patent number 3,564,772
    • Issue date Feb 23, 1971
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    3426478

    • Patent number 3,426,478
    • Issue date Feb 11, 1969
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    3343302

    • Patent number 3,343,302
    • Issue date Sep 26, 1967
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    3271901

    • Patent number 3,271,901
    • Issue date Sep 13, 1966
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    3082847

    • Patent number 3,082,847
    • Issue date Mar 26, 1963
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    3053352

    • Patent number 3,053,352
    • Issue date Sep 11, 1962
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    3009545

    • Patent number 3,009,545
    • Issue date Nov 21, 1961
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    2961076

    • Patent number 2,961,076
    • Issue date Nov 22, 1960
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    2899027

    • Patent number 2,899,027
    • Issue date Aug 11, 1959
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    2853291

    • Patent number 2,853,291
    • Issue date Sep 23, 1958
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    2841252

    • Patent number 2,841,252
    • Issue date Jul 1, 1958
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    2837182

    • Patent number 2,837,182
    • Issue date Jun 3, 1958
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    2792917

    • Patent number 2,792,917
    • Issue date May 21, 1957
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    2718039

    • Patent number 2,718,039
    • Issue date Sep 20, 1955
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    2413131

    • Patent number 2,413,131
    • Issue date Dec 24, 1946
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    2377986

    • Patent number 2,377,986
    • Issue date Jun 12, 1945
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    2313416

    • Patent number 2,313,416
    • Issue date Mar 9, 1943
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    2290062

    • Patent number 2,290,062
    • Issue date Jul 14, 1942
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents