Granted Patent
Utility
US 6,239,222 · App. 09/225,592
Golf ball core compositions
Inventor:
R. Dennis Nesbitt
Patented Case
View Patent ↗
Granted: May 29, 2001
Filed: Jan 6, 1999
Inventor
R. Dennis Nesbitt
Assignee (at issue)
Spalding Sports Worldwide, 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.