Granted Patent
Utility
US 5,726,450 · App. 08/739,487
Unmanned integrated optical remote emissions sensor (RES) for motor vehicles
Inventors:
Jay Peterson, David R. Nelson, Troy P. Bahan, George Charles Polchin, Michael D. Jack
Patented Case
View Patent ↗
Granted: Mar 10, 1998
Filed: Oct 26, 1996
Inventors
Jay Peterson
David R. Nelson
Troy P. Bahan
George Charles Polchin
Michael D. Jack
Assignee (at issue)
Envirotest Systems Holdings Corp.
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.