Patents by Inventor Carl M. Pritchett

Carl M. Pritchett 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).

  • Door handle return assembly
    Patent number: 4998760
    Abstract: A spring-loaded handle return assembly of compact size is installed in a trim ring or rose on an exterior portion of a door. The return assembly operates to return a door handle to a home position automatically upon release of the door handle by a user.
    Type: Grant
    Filed: October 13, 1989
    Date of Patent: March 12, 1991
    Assignee: Best Lock Corporation
    Inventors: Duane B. Nixon, Ralph P. Palmer, Carl M. Pritchett