Granted Patent
Utility
US 4,567,412 · App. 06/676,385
Automatic wiper actuator for a vehicle window
Inventor:
Donald E. Graham
Patented Case
View Patent ↗
Granted: Jan 28, 1986
Filed: Nov 29, 1984
Inventor
Donald E. Graham
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.