Granted Patent
Utility
US 5,490,490 · App. 08/363,844
On-board gas composition sensor for internal combustion engine exhaust gases
Inventors:
Willes H. Weber, Bennie Poindexter, Jeffrey Thomas Remillard
Patented Case
View Patent ↗
Granted: Feb 13, 1996
Filed: Apr 27, 1995
Inventors
Willes H. Weber
Bennie Poindexter
Jeffrey Thomas Remillard
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.