Granted Patent
Utility
US 5,041,308 · App. 07/449,776
Method of coating silicon particles
Inventor:
Makoto Kuramoto
Patented Case
View Patent ↗
Granted: Aug 20, 1991
Filed: Dec 13, 1989
Inventor
Makoto Kuramoto
Assignee (at issue)
OSAKA TITANIUM
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.