Patents by Inventor Brian Wansbrough

Brian Wansbrough 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 knob
    Patent number: D262773
    Type: Grant
    Filed: January 18, 1980
    Date of Patent: January 26, 1982
    Assignee: Gainsborough Hardware Industries Pty. Limited
    Inventors: Brian Wansbrough, Harold F. Munro