Granted Patent
Utility
US 6,078,819 · App. 08/969,427
Apparatus and method for prolonging battery life in a portable telephone having first and second deactivating conditions
Inventors:
Joseph L. Ciccone, David C. Nall, Chu Pang Alex Ng
Patented Case
View Patent ↗
Granted: Jun 20, 2000
Filed: Nov 1, 1997
Inventors
Joseph L. Ciccone
David C. Nall
Chu Pang Alex Ng
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.