Granted Patent
Utility
US 5,854,839 · App. 08/693,426
Dual voltage, self-monitoring line circuit
Inventors:
Robert Chen, John Gammel, Dewayne A. Spires
Patented Case
View Patent ↗
Granted: Dec 29, 1998
Filed: Aug 7, 1996
Inventors
Robert Chen
John Gammel
Dewayne A. Spires
Assignee (at issue)
LUCENT TECHNOLOGIES INC.
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.