Granted Patent
Utility
US 6,538,449 · App. 10/101,160
Battery life estimation
Inventors:
Carsten Juncker, Frank Knudsen Christensen
Patented Case
View Patent ↗
Granted: Mar 25, 2003
Filed: Mar 20, 2002
Inventors
Carsten Juncker
Frank Knudsen Christensen
Assignee (at issue)
Nokia
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.