Granted Patent
Utility
US 6,548,618 · App. 09/843,362
Golf ball having dual core and thin polyurethane cover formed by RIM
Inventors:
Michael J. Sullivan, R. Dennis Nesbitt, Thomas J. Kennedy, III, Michael J. Tzivanis, Mark L. Binette, Viktor Keller, William M. Risen, Jr.
Patented Case
View Patent ↗
Granted: Apr 15, 2003
Filed: Apr 25, 2001
Inventors
Michael J. Sullivan
R. Dennis Nesbitt
Thomas J. Kennedy, III
Michael J. Tzivanis
Mark L. Binette
Viktor Keller
William M. Risen, Jr.
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.