Granted Patent
Utility
US 4,685,513 · App. 06/665,412
Engine cooling fan and fan shrouding arrangement
Inventors:
Richard E. Longhouse, Nick Vona, Jr.
Patented Case
View Patent ↗
Granted: Aug 11, 1987
Filed: Oct 24, 1984
Inventors
Richard E. Longhouse
Nick Vona, 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.