Granted Patent
Utility
US 4,665,351 · App. 06/826,508
Windshield wiper control system and a precipitation sensor therefor
Inventor:
Glen A. Nyberg
Patented Case
View Patent ↗
Granted: May 12, 1987
Filed: Feb 5, 1986
Inventor
Glen A. Nyberg
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.