Patents Assigned to Universal Friendly Technologies LLC
  • Patent number: 6202253
    Abstract: A cylinder lock door closure device. In an exemplary application, the cylinder lock door closure device includes a cylindrical housing, a piston assembly, an arm assembly, a cylindrical catch piece and a hard stop whereby when a door is opened past 90° open, it will automatically lock in an open position. When the door is tapped toward the open position, the automatic lock will be released and the door returned to a closed position.
    Type: Grant
    Filed: October 29, 1998
    Date of Patent: March 20, 2001
    Assignee: Universal Friendly Technologies LLC
    Inventor: Matthew Green