Patents by Inventor John M. Ambrose

John M. Ambrose 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: 9017183
    Abstract: An improved putter and method of use utilizing a putter shaft having a rectangular grip extending approximately half the shaft length. A polygonal-like ring provides a flat face with an extended toe and a short heel. The face of the putter head has a polymeric insert for weight redistribution and for better putting feel. The sides of the putter include triangular shaped indents also for weight redistribution. The rear of the putter head is arched to prevent ground contact during putting and further to increase head stability during the stroke.
    Type: Grant
    Filed: December 21, 2012
    Date of Patent: April 28, 2015
    Inventor: John M. Ambrose
  • Patent number: 7922600
    Abstract: An adjustable weight system for golf clubs improves a golfer's swing and feel as the club strikes the ball. The weight system includes a golf club having a shaft attached thereto which includes an internal channel for receiving cylindrical weights. The golf club head attached to the shaft includes a weight port which is in communication with the shaft channel and is closed, preferably with a threaded fastener. The method of use includes removing the fastener and inserting the desired weights to enhance the golfer's swing.
    Type: Grant
    Filed: October 2, 2008
    Date of Patent: April 12, 2011
    Inventor: John M. Ambrose
  • Patent number: D725730
    Type: Grant
    Filed: February 18, 2014
    Date of Patent: March 31, 2015
    Inventor: John M. Ambrose