Patents by Inventor William L. Briggs

William L. Briggs 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).

  • Keyless saw blade chuck
    Patent number: 5458346
    Abstract: A keyless saw blade chuck has a generally cylindrical collar receiving the blade attachment end of a tool shaft, a clamping member and a mounting portion of a saw blade. The clamping member is located within the collar and urges a received saw blade against the tool shaft. A bore extends transversely through the collar and supports a slideable lock pin for holding the collar and the saw blade on the tool shaft.
    Type: Grant
    Filed: December 28, 1993
    Date of Patent: October 17, 1995
    Inventor: William L. Briggs