Patents by Inventor Ronald A. Craighead

Ronald A. Craighead 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: D337749
    Type: Grant
    Filed: September 28, 1992
    Date of Patent: July 27, 1993
    Inventors: Ronald A. Craighead, Renaldo N. Craighead