Patents by Inventor Randall J. Barkley

Randall J. Barkley 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).

  • Patent number: D402826
    Type: Grant
    Filed: January 2, 1998
    Date of Patent: December 22, 1998
    Inventor: Randall J. Barkley