Patents by Inventor Robert R. Blish

Robert R. Blish 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: D331947
    Type: Grant
    Filed: May 20, 1991
    Date of Patent: December 22, 1992
    Inventors: Robert R. Blish, Steven L. Dunstan