Granted Patent
Utility
US 6,516,623 · App. 10/140,457
Vehicular heat pump system and module therefor
Inventor:
Samuel J. Collier
Patented Case
View Patent ↗
Granted: Feb 11, 2003
Filed: May 7, 2002
Inventor
Samuel J. Collier
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.