Granted Patent
Utility
US 4,859,919 · App. 07/237,464
Window wiper control for vehicle
Inventor:
Steven L. Tracht
Patented Case
View Patent ↗
Granted: Aug 22, 1989
Filed: Aug 29, 1988
Inventor
Steven L. Tracht
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.