Granted Patent
Utility
US 4,190,029 · App. 05/955,851
Control of EGR in a closed loop EFI engine
Inventor:
Lael B. Taplin
Patented Case
View Patent ↗
Granted: Feb 26, 1980
Filed: Oct 30, 1978
Inventor
Lael B. Taplin
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.