Patents Assigned to W. J. Reynolds (Equipment) Limited
  • Door locking means
    Patent number: 3995464
    Abstract: The invention relates to a door-locking and release system in a building in which system a door is adapted to be held locked by a component removably affixed thereto. Said component is adapted to operate an electrical circuit, such as to deactivate off an alarm circuit, only when detached from the door to provide an indication that the door is in the unlocked condition.
    Type: Grant
    Filed: March 24, 1975
    Date of Patent: December 7, 1976
    Assignee: W. J. Reynolds (Equipment) Limited
    Inventor: Raymond Kenneth Henry Terry