Patents by Inventor Mark S. Waldhelm

Mark S. Waldhelm 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: D362695
    Type: Grant
    Filed: May 24, 1993
    Date of Patent: September 26, 1995
    Inventor: Mark S. Waldhelm