Granted Patent
Utility
US 6,769,978 · App. 10/036,765
Method and apparatus for controlling airflow in a vehicular HVAC system
Inventor:
Michael Edward Lacefield
Patented Case
View Patent ↗
Granted: Aug 3, 2004
Filed: Dec 21, 2001
Inventor
Michael Edward Lacefield
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.