Patents by Inventor Mark Thundercliffe

Mark Thundercliffe 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: D308942
    Type: Grant
    Filed: June 16, 1988
    Date of Patent: July 3, 1990
    Assignee: Sweetheart International Limited
    Inventor: Mark Thundercliffe