Patents by Inventor Roy F. Kirby

Roy F. Kirby 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).

  • Hat
    Patent number: D571982
    Type: Grant
    Filed: September 24, 2007
    Date of Patent: July 1, 2008
    Inventor: Roy F. Kirby