Granted Patent
Utility
US 6,315,682 · App. 09/570,379
Multi-piece solid golf ball
Inventors:
Satoshi Iwami, Keiji Moriyama, Kazunari Yoshida, Keiji Ohama
Patented Case
View Patent ↗
Granted: Nov 13, 2001
Filed: May 12, 2000
Inventors
Satoshi Iwami
Keiji Moriyama
Kazunari Yoshida
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.