Granted Patent
Utility
US 6,565,457 · App. 09/110,221
Golf ball containing high density fillers in the core and cover
Inventors:
Michael J. Sullivan, R. Dennis Nesbitt, John L. Nealon
Patented Case
View Patent ↗
Granted: May 20, 2003
Filed: Jul 6, 1998
Inventors
Michael J. Sullivan
R. Dennis Nesbitt
John L. Nealon
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.