Granted Patent
Utility
US 4,662,641 · App. 06/654,184
Golf club swing training device and method
Inventor:
Louis F. Peyret, Jr.
Patented Case
View Patent ↗
Granted: May 5, 1987
Filed: Sep 24, 1984
Inventor
Louis F. Peyret, Jr.
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.