Granted Patent
Utility
US 5,686,158 · App. 08/370,340
Low specific gravity silicone rubber golf club grip
Inventor:
Robert M. Gibbon
Patented Case
View Patent ↗
Granted: Nov 11, 1997
Filed: Jan 9, 1995
Inventor
Robert M. Gibbon
Assignee (at issue)
JMK International, 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.