Patents by Inventor John H. Riddell

John H. Riddell 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).

  • Comestible segregator
    Patent number: D511642
    Type: Grant
    Filed: October 20, 2003
    Date of Patent: November 22, 2005
    Inventors: John H. Riddell, Paul M. Thompson