Granted Patent
Utility
US 4,255,789 · App. 05/881,321
Microprocessor-based electronic engine control system
Inventors:
Thomas W. Hartford, Edwin A. Johnson, Frank A. Russo
Patented Case
View Patent ↗
Granted: Mar 10, 1981
Filed: Feb 27, 1978
Inventors
Thomas W. Hartford
Edwin A. Johnson
Frank A. Russo
Assignee (at issue)
Bendix Limited
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.