Granted Patent
Utility
US 5,313,832 · App. 07/812,396
Composite mass air flow sensor
Inventors:
Craig Hammann Stephan, Margherita Zanini-Fisher
Patented Case
View Patent ↗
Granted: May 24, 1994
Filed: Dec 23, 1991
Inventors
Craig Hammann Stephan
Margherita Zanini-Fisher
Assignee (at issue)
Ford Motor 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.