Granted Patent
Utility
US 4,922,874 · App. 07/374,036
Automobile electronic control modules communicating by pulse width modulated signals
Inventors:
Charles J. DeBiasi, Wesley Boyer
Patented Case
View Patent ↗
Granted: May 8, 1990
Filed: Jun 30, 1989
Inventors
Charles J. DeBiasi
Wesley Boyer
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.