Granted Patent
Utility
US 5,523,952 · App. 07/974,401
Production progress control method
Inventor:
Masayoshi Inada
Patented Case
View Patent ↗
Granted: Jun 4, 1996
Filed: Nov 12, 1992
Inventor
Masayoshi Inada
Assignee (at issue)
NEC CORPORATION
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.