Granted Patent
Utility
US 5,204,608 · App. 07/433,076
Battery pack including electronic power saver
Inventor:
Steven E. Koenck
Patented Case
View Patent ↗
Granted: Apr 20, 1993
Filed: Nov 7, 1989
Inventor
Steven E. Koenck
Assignee (at issue)
Norand 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.