Patents by Inventor Jean-Pierre Duhamel

Jean-Pierre Duhamel 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: D277532
    Type: Grant
    Filed: June 14, 1982
    Date of Patent: February 12, 1985
    Inventor: Jean-Pierre Duhamel