Granted Patent
Utility
US 5,787,972 · App. 08/916,607
Compression tolerant louvered heat exchanger fin
Inventors:
Henry Earl Beamer, Duane Victor Beales
Patented Case
View Patent ↗
Granted: Aug 4, 1998
Filed: Aug 22, 1997
Inventors
Henry Earl Beamer
Duane Victor Beales
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.