Patents by Inventor Leigh Raymond Trevethan

Leigh Raymond Trevethan 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).

  • Game piece
    Patent number: D800225
    Type: Grant
    Filed: September 29, 2016
    Date of Patent: October 17, 2017
    Assignee: KT GAMES PTY LTD
    Inventors: Leigh Raymond Trevethan, Desmond Knight