Granted Patent
Utility
US 5,821,730 · App. 08/914,903
Low cost battery sensing technique
Inventor:
Alexander S. Drapkin
Patented Case
View Patent ↗
Granted: Oct 13, 1998
Filed: Aug 18, 1997
Inventor
Alexander S. Drapkin
Assignee (at issue)
International Components Corporation
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.