Patents by Inventor Graham H. Colton

Graham H. Colton 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: D266197
    Type: Grant
    Filed: December 10, 1979
    Date of Patent: September 14, 1982
    Assignee: Metallifacture Limited
    Inventor: Graham H. Colton