Granted Patent
Utility
US 5,457,414 · App. 07/994,732
Power supply loss sensor
Inventors:
David A. Inglis, Hyun Woo Lee
Patented Case
View Patent ↗
Granted: Oct 10, 1995
Filed: Dec 22, 1992
Inventors
David A. Inglis
Hyun Woo Lee
Assignee (at issue)
AT & T IPM Corp.
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.