Patents by Inventor Robert A. Drake

Robert A. Drake 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).

  • Hydrotherapy spa
    Patent number: D268363
    Type: Grant
    Filed: July 7, 1980
    Date of Patent: March 22, 1983
    Inventor: Robert Drake