Granted Patent
Utility
US 5,493,892 · App. 08/348,702
Method for calibrating the time response of a mass air flow sensor by laser trimming selected resistors and without an air flow
Inventor:
James Sherman
Patented Case
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Granted: Feb 27, 1996
Filed: Dec 2, 1994
Inventor
James Sherman
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.