Granted Patent
Utility
US 6,446,711 · App. 09/748,922
Side piece for heat exchangers
Inventors:
Robert J. DeGroot, Michael P. Devine
Patented Case
View Patent ↗
Granted: Sep 10, 2002
Filed: Dec 27, 2000
Inventors
Robert J. DeGroot
Michael P. Devine
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.