Patents by Inventor Richard B. Wetherill

Richard B. Wetherill 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).

  • Combined epoxy mixing and applicator gun
    Patent number: D262434
    Type: Grant
    Filed: October 15, 1979
    Date of Patent: December 29, 1981
    Assignee: Epoxy Injection Systems
    Inventors: Richard A. Dunbar, Richard B. Wetherill