05050879 is referenced by 203 patents and cites 11 patents.

A golf club head has three cavities spaced along the sole of the head. A set of weight members having various weights is provided. Such weight members are selectively installed in the cavities to vary the center of gravity of the club head horizontally, between the toe and heel of the head to modify the driving action of the club as may be desired.

Title
Golf driver with variable weighting for changing center of gravity
Application Number
468087
Publication Number
5050879
Application Date
April 25, 1990
Publication Date
September 24, 1991
Inventor
Wen J Tai
Kaohsiung
TW
Donald J C Sun
San Diego
CA, US
Agent
Edward A Sokolski
Assignee
Cipa Manufacturing Corporation
TW
IPC
A63B 53/08
View Original Source