Granted Patent
Utility
US 5,099,680 · App. 07/518,216
Method of analyzing vehicle emissions and in-flight gas analysis apparatus
Inventors:
Thomas J. Fournier, Andrew R. Reading, Robert L. Wilson, Michael Kapolka
Patented Case
View Patent ↗
Granted: Mar 31, 1992
Filed: May 3, 1990
Inventors
Thomas J. Fournier
Andrew R. Reading
Robert L. Wilson
Michael Kapolka
Assignee (at issue)
Sensors Incorporated
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.