Granted Patent
Utility
US 5,721,753 · App. 08/365,268
Recording verification system
Inventors:
Guy W. Ehler, Martin Patrick McEnroe, Andrew Schnable, Quyen Tran
Patented Case
View Patent ↗
Granted: Feb 24, 1998
Filed: Dec 28, 1994
Inventors
Guy W. Ehler
Martin Patrick McEnroe
Andrew Schnable
Quyen Tran
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.