Granted Patent
Utility
US 4,775,156 · App. 07/031,535
Bolt reinforced, laminated golf club head
Inventor:
Stanley C. Thompson
Patented Case
View Patent ↗
Granted: Oct 4, 1988
Filed: Mar 30, 1987
Inventor
Stanley C. Thompson
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.