Granted Patent
Utility
US 4,710,685 · App. 07/015,321
Vehicle power window control circuit with reverse battery protection
Inventors:
Richard N. Lehnhoff, Robert J. Disser
Patented Case
View Patent ↗
Granted: Dec 1, 1987
Filed: Feb 17, 1987
Inventors
Richard N. Lehnhoff
Robert J. Disser
Assignee (at issue)
General Motors LLC
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.