Granted Patent
Utility
US 6,397,116 · App. 09/417,096
Production control system and method
Inventor:
Shigeru Matsumoto
Patented Case
View Patent ↗
Granted: May 28, 2002
Filed: Oct 13, 1999
Inventor
Shigeru Matsumoto
Assignee (at issue)
SUMITOMO ELECTRIC 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.