Patents by Inventor Rick L. Brennaman

Rick L. Brennaman has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Latchbolt for a door lock assembly
    Patent number: 7722096
    Abstract: A latchbolt configured for use with a door lock assembly. The door lock assembly is configured for interaction with a strike coupled to a door frame, and operable to place the latchbolt in a locked configuration using the strike to generally prevent rotation of the door and an unlocked configuration to allow rotation of the door. The latchbolt includes a first member and a second member movably coupled to the first member. When the latchbolt is in the locked configuration the second member is movable relative to the first member from a first position to a second position in response to a predetermined force applied to the door.
    Type: Grant
    Filed: April 5, 2006
    Date of Patent: May 25, 2010
    Assignee: Von Duprin, Inc.
    Inventors: Paul R. Arlinghaus, Bradley W. Trent, Rick L. Brennaman, James W. Overbey, Kenneth P. Cook, Russell A. Banks, Michael D. Coleman