Granted Patent
Utility
US 5,731,371 · App. 08/577,466
ZDMA grafted HNBR in a one-piece golf ball
Inventors:
Robert Dennis Nesbitt, Michael J. Sullivan
Patented Case
View Patent ↗
Granted: Mar 24, 1998
Filed: Dec 18, 1995
Inventors
Robert Dennis Nesbitt
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.