Granted Patent
Utility
US 5,969,508 · App. 09/122,707
Battery charging method using battery circuitry impedence measurement to determine optimum charging voltage
Inventors:
Joseph Patino, Michael D. Geren, Barbara R. Doutre
Patented Case
View Patent ↗
Granted: Oct 19, 1999
Filed: Jul 27, 1998
Inventors
Joseph Patino
Michael D. Geren
Barbara R. Doutre
Assignee (at issue)
Motorola, 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.