Granted Patent
Utility
US 6,729,973 · App. 10/300,835
Solid golf ball
Inventors:
Koichi Fujisawa, Yoshikazu Yabuki, Kazuhisa Fushihara
Patented Case
View Patent ↗
Granted: May 4, 2004
Filed: Nov 21, 2002
Inventors
Koichi Fujisawa
Yoshikazu Yabuki
Kazuhisa Fushihara
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.