Granted Patent
Utility
US 6,055,423 · App. 08/999,012
Method for updating message waiting number count for a mobile telephone in an ANSI41 network
Inventors:
Robert Thomas Calabrese, Bernard Louis Cyr
Patented Case
View Patent ↗
Granted: Apr 25, 2000
Filed: Dec 29, 1997
Inventors
Robert Thomas Calabrese
Bernard Louis Cyr
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.