Granted Patent
Utility
US 6,397,939 · App. 09/737,253
Tube for use in serpentine fin heat exchangers
Inventors:
J. Darin Swiger, Andrew J. De Rosia
Patented Case
View Patent ↗
Granted: Jun 4, 2002
Filed: Dec 13, 2000
Inventors
J. Darin Swiger
Andrew J. De Rosia
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.