Granted Patent
Utility
US 4,431,954 · App. 06/444,798
Motor vehicle windshield wiper apparatus with storm pattern
Inventors:
Keith H. Carpenter, Donald E. Graham, James J. Kowalik
Patented Case
View Patent ↗
Granted: Feb 14, 1984
Filed: Nov 26, 1982
Inventors
Keith H. Carpenter
Donald E. Graham
James J. Kowalik
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.