Granted Patent
Utility
US 5,117,681 · App. 07/590,729
Correction of systematic position-sensing errors in internal combustion engines
Inventors:
James M. Dosdall, John V. James
Patented Case
View Patent ↗
Granted: Jun 2, 1992
Filed: Oct 1, 1990
Inventors
James M. Dosdall
John V. James
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.