Granted Patent
Utility
US 6,607,027 · App. 09/827,394
Spiral fin/tube heat exchanger
Inventors:
Daniel J. Bosch, James T. Haasch
Patented Case
View Patent ↗
Granted: Aug 19, 2003
Filed: Apr 5, 2001
Inventors
Daniel J. Bosch
James T. Haasch
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.