Granted Patent
Utility
US 4,314,193 · App. 06/152,222
Field coil fault detector for automotive alternator battery charging systems
Inventor:
Robert W. Mortonson
Patented Case
View Patent ↗
Granted: Feb 2, 1982
Filed: May 22, 1980
Inventor
Robert W. Mortonson
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.