Patents by Inventor Roland Dean Mark Risi

Roland Dean Mark Risi 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).

  • Measuring roller device
    Patent number: D445349
    Type: Grant
    Filed: June 27, 2000
    Date of Patent: July 24, 2001
    Inventors: Roland Dean Mark Risi, Richard Johnathan Nicolas Risi