Patents by Inventor Darlene M. Clark

Darlene M. Clark 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).

  • Surfboard fin
    Patent number: D437907
    Type: Grant
    Filed: April 13, 1999
    Date of Patent: February 20, 2001
    Inventors: Randy O. Stuart, Darlene M. Clark