Granted Patent
Utility
US 5,847,546 · App. 08/858,202
System and apparatus for generating a continuosly variable reference signal for controlling battery cell charging
Inventors:
Upal Sengupta, Robert R. Turnbull, Rajesh A. Shah, Brian C. Fritz
Patented Case
View Patent ↗
Granted: Dec 8, 1998
Filed: May 14, 1997
Inventors
Upal Sengupta
Robert R. Turnbull
Rajesh A. Shah
Brian C. Fritz
Assignee (at issue)
Packard Bell NEC
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.