Granted Patent
Utility
US 6,579,190 · App. 09/805,981
Ball motion measuring apparatus
Inventor:
Akio Yamamoto
Patented Case
View Patent ↗
Granted: Jun 17, 2003
Filed: Mar 15, 2001
Inventor
Akio Yamamoto
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.