Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6454931 | Method for measuring component of a gaseous emission | Ronald S. Patrick | 2002-09-24 |
| 6444114 | Method for measuring component of a gaseous emission | Ronald S. Patrick | 2002-09-03 |
| 6254750 | Exhaust emission sensors | Ronald S. Patrick | 2001-07-03 |
| 6171470 | Method for measuring component of a gaseous emission | Ronald S. Patrick | 2001-01-09 |
| 6149786 | Memory device for gaseous emission sensor | Ronald S. Patrick | 2000-11-21 |