Patents by Inventor John N. Kilman, III

John N. Kilman, III 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).

  • Drill shaft head
    Patent number: D275862
    Type: Grant
    Filed: December 9, 1981
    Date of Patent: October 9, 1984
    Assignee: Brainard-Kilman Drill Company
    Inventors: John N. Kilman, III, Phillip L. Myers