Granted Patent
Utility
US 5,387,637 · App. 07/932,654
Golf ball core compositions
Inventor:
Michael J. Sullivan
Patented Case
View Patent ↗
Granted: Feb 7, 1995
Filed: Aug 20, 1992
Inventor
Michael J. Sullivan
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.