Granted Patent
Utility
US 6,204,331 · App. 09/049,769
Multi-layer golf ball utilizing silicone materials
Inventors:
Michael J. Sullivan, Viktor Keller, Mark L. Binette
Patented Case
View Patent ↗
Granted: Mar 20, 2001
Filed: Mar 27, 1998
Inventors
Michael J. Sullivan
Viktor Keller
Mark L. Binette
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.