Granted Patent
Utility
US 6,488,597 · App. 09/808,359
Golf ball
Inventors:
Satoshi Iwami, Akira Kato, Keiji Moriyama
Patented Case
View Patent ↗
Granted: Dec 3, 2002
Filed: Mar 15, 2001
Inventors
Satoshi Iwami
Akira Kato
Keiji Moriyama
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.