Patents by Inventor Clarence J. Theobald, III

Clarence J. Theobald, III 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).

  • Portable sign
    Patent number: 5347737
    Abstract: A portable sign includes at least three elongated members interconnected by collapsible members and can be collapsed to fit into a shipping tube.
    Type: Grant
    Filed: August 7, 1992
    Date of Patent: September 20, 1994
    Inventor: Clarence J. Theobald, III