Granted Patent
Utility
US 5,734,577 · App. 08/615,547
Adaptive IIR multitone detector
Inventors:
Aaron Michael Chesir, Carl J. May, Jr.
Patented Case
View Patent ↗
Granted: Mar 31, 1998
Filed: Mar 11, 1996
Inventors
Aaron Michael Chesir
Carl J. May, Jr.
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.