Granted Patent
Utility
US 5,506,490 · App. 08/149,686
Method and apparatus for determining external power supply type
Inventor:
David M. DeMuro
Patented Case
View Patent ↗
Granted: Apr 9, 1996
Filed: Nov 9, 1993
Inventor
David M. DeMuro
Assignee (at issue)
Motorola, Inc.
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.