Granted Patent
Utility
US 5,155,446 · App. 07/791,829
Digital FSK demodulator
Inventors:
Gernot Eberle, Guy J. Chaput
Patented Case
View Patent ↗
Granted: Oct 13, 1992
Filed: Nov 14, 1991
Inventors
Gernot Eberle
Guy J. Chaput
Assignee (at issue)
Nortel Networks Limited
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.