Patents Assigned to Sure-Lock Securities, Inc.
  • Door jam device
    Patent number: 5131701
    Abstract: A door jam or guard for preventing forced entry through a door, the guard including an adjustable tubular brace having an upper tubular member and a lower tubular member telescopically engaged with the upper tubular member, a base pad mounted on the lower end of the tubular brace, a yoke mounted on the upper end of the tubular brace for engaging the door knob on the door, and a lever actuated extension in the upper tubular member for moving the yoke outwardly of the tubular member to seat the yoke against the handle.
    Type: Grant
    Filed: August 29, 1991
    Date of Patent: July 21, 1992
    Assignee: Sure-Lock Securities, Inc.
    Inventor: Steven J. Stepniewski