Granted Patent
Utility
US 5,117,370 · App. 07/288,648
Detection system for chemical analysis of zinc phosphate coating solutions
Inventors:
Michael John DeCello, LeRoy C. Westwood
Patented Case
View Patent ↗
Granted: May 26, 1992
Filed: Dec 22, 1988
Inventors
Michael John DeCello
LeRoy C. Westwood
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.