Patents by Inventor Richard Cridland

Richard Cridland 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: D603190
    Type: Grant
    Filed: April 10, 2009
    Date of Patent: November 3, 2009
    Assignee: Contra Vision Limited
    Inventors: G. Roland Hill, Richard Cridland