Patents by Inventor Douglas R. Rose

Douglas R. Rose 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: D316772
    Type: Grant
    Filed: July 25, 1988
    Date of Patent: May 14, 1991
    Inventor: Douglas R. Rose