Patents by Inventor Kenneth A. J. Head

Kenneth A. J. Head 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).

  • Patent number: 5368421
    Abstract: The tool holder is arranged to receive a tapered tool shank. The collet has a shank engaging surface which, in use, lies substantially on the surface of a notional cone which tapers in the direction of withdrawal of the shank from the tool holder.
    Type: Grant
    Filed: December 19, 1988
    Date of Patent: November 29, 1994
    Inventor: Kenneth A. J. Head