Patents by Inventor Doug Chapman

Doug Chapman 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).

  • Aerial toy
    Patent number: D291901
    Type: Grant
    Filed: April 25, 1985
    Date of Patent: September 15, 1987
    Inventor: Doug Chapman