Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5797682 | Device and method for measuring temperture of vehicle exhaust | Robert D. Stephens, Michael D. Jack | 1998-08-25 |
| 5330720 | System for detecting fugitive emissions | Nelson W. Sorbo | 1994-07-19 |
| 5252828 | Mobile exhaust tracking system | Nelson W. Sorbo | 1993-10-12 |
| 4562856 | Connector assembly for a gas | Paul William Garvey | 1986-01-07 |