Patents by Inventor James Boyce BARTON

James Boyce BARTON 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).

  • Golf shaft and method of manufacturing same
    Patent number: 9566486
    Abstract: A tubular steel golf shaft comprising a grip section, a tapered mid-section and a tip section. A loading zone is selectively formed along a portion of the shaft, preferably in the tapered mid-section, comprising a continuous series of closely spaced micro-steps, or reductions in diameter, each of which are less than 0.5 inches in length. Each micro-step section, in the direction from the grip section toward the tip section comprises a first peak which descends to valley and then ascends to a second peak. The diameter of the first peak is greater than the diameter of the second peak. A method of manufacturing the golf shaft is also disclosed.
    Type: Grant
    Filed: April 9, 2015
    Date of Patent: February 14, 2017
    Assignee: TRUE TEMPER SPORTS, INC.
    Inventors: Thomas Daniel Griffith, Michael Parker Gardner, James Boyce Barton, Gregory William Cavill
  • GOLF SHAFT AND METHOD OF MANUFACTURING SAME
    Publication number: 20150290505
    Abstract: A tubular steel golf shaft comprising a grip section, a tapered mid-section and a tip section. A loading zone is selectively formed along a portion of the shaft, preferably in the tapered mid-section, comprising a continuous series of closely spaced micro-steps, or reductions in diameter, each of which are less than 0.5 inches in length. Each micro-step section, in the direction from the grip section toward the tip section comprises a first peak which descends to valley and then ascends to a second peak. The diameter of the first peak is greater than the diameter of the second peak. A method of manufacturing the golf shaft is also disclosed.
    Type: Application
    Filed: April 9, 2015
    Publication date: October 15, 2015
    Inventors: Thomas Daniel GRIFFITH, Michael Parker GARDNER, James Boyce BARTON, Gregory William CAVILL
  • Golf club shaft
    Patent number: D837320
    Type: Grant
    Filed: December 7, 2016
    Date of Patent: January 1, 2019
    Assignee: TRUE TEMPER SPORTS, INC.
    Inventors: Thomas Daniel Griffith, Michael Parker Gardner, James Boyce Barton, Gregory William Cavill