Granted Patent
Utility
US 5,228,512 · App. 07/679,519
Aluminum charge air cooler and method of making the same
Inventors:
Richard A. Bretl, Dan R. DeRosia, Charles E. Goodremote, Peter Kottal
Patented Case
View Patent ↗
Granted: Jul 20, 1993
Filed: Apr 2, 1991
Inventors
Richard A. Bretl
Dan R. DeRosia
Charles E. Goodremote
Peter Kottal
Assignee (at issue)
MODINE MANUFACTURING COMPANY
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.