Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5591975 | Optical sensing apparatus for remotely measuring exhaust gas composition of moving motor vehicles | Michael D. Jack, Robert D. Stephens, Christopher B. Tacelli, David R. Nelson, Geoffrey A. Walter +1 more | 1997-01-07 |