Granted Patent
Utility
US 4,401,154 · App. 06/224,511
Heat exchanger core with end covers
Inventors:
Gene A. Anders, Herbert J. Larson, Charles R. Miller
Patented Case
View Patent ↗
Granted: Aug 30, 1983
Filed: Nov 7, 1980
Inventors
Gene A. Anders
Herbert J. Larson
Charles R. Miller
Assignee (at issue)
Caterpillar Tractor Co.
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.