Granted Patent
Utility
US 5,375,238 · App. 07/796,261
Nesting management mechanism for use in loop control system
Inventor:
Yasushi Ooi
Patented Case
View Patent ↗
Granted: Dec 20, 1994
Filed: Nov 20, 1991
Inventor
Yasushi Ooi
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.