Patents by Inventor Dennis W. Long

Dennis W. Long 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: D275704
    Type: Grant
    Filed: July 19, 1982
    Date of Patent: September 25, 1984
    Inventors: David N. Smith, Dennis W. Long, Steven M. Maus