KEYSTONE FRICTION HINGE COMPANY, THE

Organization

  • SOUTH WILLIAMSPORT, PA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Appliance hinge

    • Patent number 7,275,283
    • Issue date Oct 2, 2007
    • Keystone Friction Hinge Co.
    • Adam Kistner
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Anti-tip hinge device and method

    • Patent number 5,341,542
    • Issue date Aug 30, 1994
    • Keystone Friction Hinge Co.
    • Edward J. Hannan
    • F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Trademarklast 30 trademarks