Granted Patent
Utility
US 6,312,347 · App. 09/533,983
Golf ball and method of coating a golf ball with top coat containing an aromatic/aliphatic polyisocyanate copolymer
Inventor:
Viktor Keller
Patented Case
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Granted: Nov 6, 2001
Filed: Mar 23, 2000
Inventor
Viktor Keller
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.