Granted Patent
Utility
US 6,464,600 · App. 09/749,697
Golf ball
Inventors:
Kohei Takemura, Seigou Sakagami, Hiroyuki Kishimoto
Patented Case
View Patent ↗
Granted: Oct 15, 2002
Filed: Dec 28, 2000
Inventors
Kohei Takemura
Seigou Sakagami
Hiroyuki Kishimoto
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.