Granted Patent
Utility
US 5,074,613 · App. 07/444,650
Vehicle windshield wiper system with improved housing to frame connection
Inventors:
Ralph J. Unterborn, Harry C. Buchanan, Jr.
Patented Case
View Patent ↗
Granted: Dec 24, 1991
Filed: Dec 1, 1989
Inventors
Ralph J. Unterborn
Harry C. Buchanan, Jr.
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.