Granted Patent
Utility
US 6,834,129 · App. 09/816,325
Method of measuring rotation of sphere
Inventor:
Takeshi Asakura
Patented Case
View Patent ↗
Granted: Dec 21, 2004
Filed: Mar 26, 2001
Inventor
Takeshi Asakura
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.