Patents by Inventor Christopher J. MacDonald

Christopher J. MacDonald 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).

  • Alternative golf club and method of using the same
    Publication number: 20040018888
    Abstract: An improved golf training system and method of using the system is provided. The golf training system may also be used as a new game. The system includes a golf club having an enlarged hitting surface and shorter shaft, and a tee that comes in variable extended lengths. By gradually and incrementally lowering the length of the tee and extending the length of the club, a player is able to learn proper swing mechanics.
    Type: Application
    Filed: November 18, 2002
    Publication date: January 29, 2004
    Inventor: Christopher J. MacDonald
  • Golf club head
    Patent number: D496415
    Type: Grant
    Filed: January 30, 2003
    Date of Patent: September 21, 2004
    Inventor: Christopher J. MacDonald