Granted Patent
Utility
US 6,398,669 · App. 09/570,188
Painted golf ball
Inventors:
Masatoshi Yokota, Kiyoto Maruoka, Kaichiro Wayaku
Patented Case
View Patent ↗
Granted: Jun 4, 2002
Filed: May 12, 2000
Inventors
Masatoshi Yokota
Kiyoto Maruoka
Kaichiro Wayaku
Assignees (at issue)
SUMITOMO RUBBER INDUSTRIES, LTD.
Wayaku Paint Co., 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.