Patents by Inventor Joyce Clark

Joyce 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).

  • Device for picking up pine cones
    Patent number: D341067
    Type: Grant
    Filed: October 18, 1991
    Date of Patent: November 9, 1993
    Inventors: Joyce Clark, William Clark