Patents by Inventor Jung-Soo Choy

Jung-Soo Choy 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: 5195747
    Abstract: A golf club (10) has an elongated shaft (11), a grip (12), and a club head (13). The club head has an annular channel (26) having a free moving weight (27) therein which maintains the center of inertia of the club head in the same location regardless of the swing plane of the golf club.
    Type: Grant
    Filed: May 26, 1992
    Date of Patent: March 23, 1993
    Inventor: Jung-Soo Choy
  • Patent number: 5180169
    Abstract: A golf swing aid (10) has a glove (11) adapted to be worn on the hand of a golfer closest to the intended target. The golf swing aid includes a hand support member (20) and an arm support member (23) mounted within plies of the glove. The hand support member is coupled to the arm support member by a ball and socket joint (29) which limits the backwards flexing of a golfer's wrist.
    Type: Grant
    Filed: April 29, 1992
    Date of Patent: January 19, 1993
    Inventor: Jung-Soo Choy
  • Patent number: D430162
    Type: Grant
    Filed: February 12, 1999
    Date of Patent: August 29, 2000
    Inventor: Jung Soo Choy