Patents by Inventor Roger Gripton

Roger Gripton 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).

  • Gas appliance vent adapter
    Patent number: D417497
    Type: Grant
    Filed: February 18, 1998
    Date of Patent: December 7, 1999
    Assignee: Wolf Steel Limited
    Inventors: Wolfgang Schroeter, Cliff Lilley, Roger Gripton, John F. Kennedy