Patents by Inventor Franklin A. Robblee

Franklin A. Robblee 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).

  • Adaptor turning tool
    Patent number: D296512
    Type: Grant
    Filed: September 19, 1985
    Date of Patent: July 5, 1988
    Assignee: Universal Valve Co., Inc.
    Inventor: Franklin A. Robblee