Granted Patent
Utility
US 4,877,249 · App. 07/200,235
Golf club head and method of strengthening same
Inventor:
Stanley C. Thompson
Patented Case
View Patent ↗
Granted: Oct 31, 1989
Filed: May 31, 1988
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.