Patents by Inventor Gerald Grossman

Gerald Grossman 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: 5956870
    Abstract: A shoe has spikes that can be retracted merely by moving an external operating member. Replaceable lower sole members can be selected and attached to the shoe based on ground surface conditions. Also, a shoe package includes one shoe with spikes and one shoe with retractable spikes or without spikes. A method of swinging a golf club using the shoe package permits a golfer's rear foot to be firmly planted while allowing the golfer's front foot to rotate and glide thus facilitating proper follow through.
    Type: Grant
    Filed: November 3, 1997
    Date of Patent: September 28, 1999
    Inventors: Gerald Grossman, Thomas Roney
  • Patent number: 5711094
    Abstract: A pair of shoes for use by golfers includes a first shoe to be worn on a golfer's rear foot as the golfer addresses a golf ball which is provided with a sole and a heel and a plurality of spikes which extend downwardly from the sole and the heel. A second shoe is provided to be worn on a golfer's front foot as the golfer addresses a golf ball, and the second shoe is provided with a smooth, spikeless sole and a smooth, spikeless heel for enabling the golfer to make a proper turn to face the target during the golf swing.
    Type: Grant
    Filed: March 6, 1997
    Date of Patent: January 27, 1998
    Inventor: Gerald Grossman