Patents by Inventor Peter J. Doukas

Peter J. Doukas 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: D254449
    Type: Grant
    Filed: June 15, 1977
    Date of Patent: March 11, 1980
    Inventor: Peter J. Doukas