Patents by Inventor Thomas Stephen M.

Thomas Stephen M. 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: D298932
    Type: Grant
    Filed: November 27, 1985
    Date of Patent: December 13, 1988
    Assignee: The Siemon Company
    Inventors: Robert H. Knickerbocker, Thomas Stephen M.