Patents by Inventor William M. Devey

William M. Devey 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).

  • Detent coupled drill bit adapter
    Patent number: D271206
    Type: Grant
    Filed: March 11, 1981
    Date of Patent: November 1, 1983
    Assignee: Melvin C. Bell
    Inventor: William M. Devey