Granted Patent
Utility
US 6,776,730 · App. 10/305,148
Golf ball
Inventors:
Keiji Moriyama, Takahiro Sajima
Patented Case
View Patent ↗
Granted: Aug 17, 2004
Filed: Nov 27, 2002
Inventors
Keiji Moriyama
Takahiro Sajima
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.