Patents by Inventor Patricia K. Sparkman

Patricia K. Sparkman 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: D281836
    Type: Grant
    Filed: June 23, 1982
    Date of Patent: December 24, 1985
    Inventor: Patricia K. Sparkman