Patents by Inventor Kim Yong-sup

Kim Yong-sup 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).

  • 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