Granted Patent
Utility
US 6,676,543 · App. 09/974,875
Coated golf ball
Inventor:
Seiichiro Endo
Patented Case
View Patent ↗
Granted: Jan 13, 2004
Filed: Oct 12, 2001
Inventor
Seiichiro Endo
Assignee (at issue)
SUMITOMO RUBBER INDUSTRIES, LTD.
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.