Granted Patent
Utility
US 6,319,155 · App. 09/635,851
Multi-piece solid golf ball
Inventors:
Keiji Moriyama, Kazunari Yoshida, Takeshi Asakura, Takahiro Sajima, Keiji Ohama
Patented Case
View Patent ↗
Granted: Nov 20, 2001
Filed: Aug 11, 2000
Inventors
Keiji Moriyama
Kazunari Yoshida
Takeshi Asakura
Takahiro Sajima
Keiji Ohama
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.