Patents by Inventor David M. Mace

David M. Mace 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: D262646
    Type: Grant
    Filed: July 30, 1979
    Date of Patent: January 12, 1982
    Inventor: David M. Mace