Granted Patent
Utility
US 5,377,983 · App. 08/086,396
Four-way diamond-cut sole for golf club head
Inventor:
Frank Fenton
Patented Case
View Patent ↗
Granted: Jan 3, 1995
Filed: Jul 6, 1993
Inventor
Frank Fenton
Assignee (at issue)
Lisco Inc.
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.