Patents by Inventor Seijiro Serizawa

Seijiro Serizawa 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 putter including ball retrievel means
    Patent number: 4976436
    Abstract: A putter for enabling picking up a ball within a hole in a standing posture of a golfer without stretching an arm while bending the body merely by slightly pushing the ball downward with the head of the putter substantially in the shape of a ring constituting a circular hollow portion in the middle thereof so as to maintain the ball therein and preventing the ball from dropping on account of the elasticity of the surface of the ball and the friction between the ball and an inner peripheral edge of the circular hollow portion of the head abutting the elastic surface of the ball.
    Type: Grant
    Filed: October 23, 1989
    Date of Patent: December 11, 1990
    Assignee: Laurel Kaihatsu Co., Ltd.
    Inventor: Seijiro Serizawa
  • Putter
    Patent number: 4934702
    Abstract: A putter for enabling picking up a ball within a hole in a standing posture of a golfer without stretching an arm while bending the body merely by slightly pushing the ball downward with the head of the putter substantially in the shape of a ring constituting a circular hollow portion in the middle thereof so as to maintain the ball therein and preventing the ball from dropping on account of the elasticity of the surface of the ball and the friction between the ball and an inner peripheral edge of the circular hollow portion of the head abutting the elastic surface of the ball. A thin plated bridge integrally interconnects opposite portions of a flat faced portion of the head of the putter along a center line.
    Type: Grant
    Filed: December 5, 1988
    Date of Patent: June 19, 1990
    Assignee: Laurel Kaihatsu Co., Ltd.
    Inventor: Seijiro Serizawa