Patents by Inventor Donald A. Cournoyer

Donald A. Cournoyer 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: D251000
    Type: Grant
    Filed: April 18, 1977
    Date of Patent: February 6, 1979
    Inventor: Donald A. Cournoyer