Granted Patent
Utility
US 4,969,227 · App. 07/331,489
Drive mechanism for overlapping wipers
Inventors:
Glenn Richard Reed, Harry C. Buchanan, Jr.
Patented Case
View Patent ↗
Granted: Nov 13, 1990
Filed: Mar 31, 1989
Inventors
Glenn Richard Reed
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.