Patents by Inventor Matthew C. Seabury

Matthew C. Seabury 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).

  • Three-person chess game board
    Patent number: D348082
    Type: Grant
    Filed: August 24, 1992
    Date of Patent: June 21, 1994
    Inventor: Matthew C. Seabury