Granted Patent
Utility
US 5,047,751 · App. 07/473,280
Power supply voltage monitoring circuit
Inventor:
Tadahiko Miura
Patented Case
View Patent ↗
Granted: Sep 10, 1991
Filed: Jan 31, 1990
Inventor
Tadahiko Miura
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.