Granted Patent
Utility
US 4,706,629 · App. 06/826,958
Control system for engine operation using two fuels of different volumetric energy content
Inventors:
Richard Wineland, Roberta J. Nichols, Eric L. Clinton
Patented Case
View Patent ↗
Granted: Nov 17, 1987
Filed: Feb 7, 1986
Inventors
Richard Wineland
Roberta J. Nichols
Eric L. Clinton
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.