Patents Assigned to The Door Switch
  • Door suicide alarm
    Patent number: RE42991
    Abstract: A door alarm system is provided which activates an alarm when a door (such as the door to the patient's room, a bathroom door within the patient room, etc.) is closed with something (such as a sheet, cord or the like) over the top of door.
    Type: Grant
    Filed: October 29, 2010
    Date of Patent: December 6, 2011
    Assignee: The Door Switch
    Inventor: Francis E. Cook
  • Door suicide alarm
    Patent number: RE44039
    Abstract: A door alarm system is provided which activates an alarm when a door (such as the door to the patient's room, a bathroom door within the patient room, etc.) is closed with something (such as a sheet, cord or the like) over the top of door.
    Type: Grant
    Filed: December 5, 2011
    Date of Patent: March 5, 2013
    Assignee: The Door Switch
    Inventor: Francis E. Cook