Patents by Inventor James C. Widmann

James C. Widmann 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).

  • Renewable aromatic cedar block
    Patent number: 4918871
    Abstract: An aromatic cedar block constructed of two sections joined together for sliding contact between adjacent faces of the sections. One face having a roughed surface that scrapes into the other surface upon rubbing together to increase the cedar scent.
    Type: Grant
    Filed: May 4, 1989
    Date of Patent: April 24, 1990
    Inventor: James C. Widmann