Granted Patent
Utility
US 6,371,869 · App. 09/658,041
Golf ball with core and surrounding cover
Inventors:
Akira Kato, Keiji Moriyama, Satoshi Iwami
Patented Case
View Patent ↗
Granted: Apr 16, 2002
Filed: Sep 8, 2000
Inventors
Akira Kato
Keiji Moriyama
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.