Granted Patent
Utility
US 6,790,148 · App. 09/478,367
Multi-piece solid golf ball and method of making the same
Inventors:
Kazunari Yoshida, Keiji Ohama, Keiji Moriyama, Hidenori Hiraoka, Takumi Nishino
Patented Case
View Patent ↗
Granted: Sep 14, 2004
Filed: Jan 6, 2000
Inventors
Kazunari Yoshida
Keiji Ohama
Keiji Moriyama
Hidenori Hiraoka
Takumi Nishino
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.