Patents by Inventor Shawn A. Hayden

Shawn A. Hayden 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: D273075
    Type: Grant
    Filed: October 15, 1981
    Date of Patent: March 20, 1984
    Inventor: Shawn A. Hayden