Patents by Inventor Franklin L. Blankenship

Franklin L. Blankenship 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: D514988
    Type: Grant
    Filed: September 14, 2004
    Date of Patent: February 14, 2006
    Inventor: Franklin L. Blankenship
  • Patent number: D558644
    Type: Grant
    Filed: August 4, 2006
    Date of Patent: January 1, 2008
    Inventor: Franklin L. Blankenship