Granted Patent
Utility
US 5,289,874 · App. 08/082,572
Heat exchanger with laterally displaced louvered fin sections
Inventors:
Prasad S. Kadle, James N. Athens
Patented Case
View Patent ↗
Granted: Mar 1, 1994
Filed: Jun 28, 1993
Inventors
Prasad S. Kadle
James N. Athens
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.