Granted Patent
Utility
US 6,407,532 · App. 09/772,249
Method and apparatus for measuring battery charge and discharge current
Inventor:
Antti Ruha
Patented Case
View Patent ↗
Granted: Jun 18, 2002
Filed: Jan 29, 2001
Inventor
Antti Ruha
Assignee (at issue)
Nokia Mobile Phones Ltd.
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.