Patents by Inventor Claude W. Duvall, Jr.

Claude W. Duvall, Jr. 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).

  • Patent number: 6058748
    Abstract: A security bracket for use with a door latch mechanism of the type having a pivoting handle actuator disposed on the exterior of the door. The bracket is sandwiched between the door latch mechanism and the door and includes an opening through which the operating mechanism of the latch can extend through an opening in the door. The bracket includes a pair of tabs extending away from the door, each with an opening. A padlock shackle extends through the tab openings to overlie the door latch and prevent its operation.
    Type: Grant
    Filed: December 24, 1998
    Date of Patent: May 9, 2000
    Assignee: Lucent Technologies Inc.
    Inventors: Harry C. Beals, Jr., John A. Casolaro, Claude W. Duvall, Jr., Edgar Lopes