Patents by Inventor William Tessner

William Tessner 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: D335730
    Type: Grant
    Filed: February 27, 1991
    Date of Patent: May 18, 1993
    Inventors: William Tessner, Edward A. Mackowiak