Granted Patent
Utility
US 6,746,346 · App. 09/749,039
Golf ball
Inventor:
Satoshi Iwami
Patented Case
View Patent ↗
Granted: Jun 8, 2004
Filed: Dec 28, 2000
Inventor
Satoshi Iwami
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.