Patents Assigned to Kingstone Golf Club Company, Ltd.
  • Method of forming golf wood club head
    Patent number: 5122324
    Abstract: A method of making a hollow golf club head that includes forming a core that has a thin wall about a cavity; filling liquid into the core cavity; forming the club head body about the core by injection molding; and removing liquid from the core cavity.
    Type: Grant
    Filed: April 26, 1990
    Date of Patent: June 16, 1992
    Assignee: Kingstone Golf Club Company, Ltd.
    Inventor: Kim Yong-sup