Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6287519 | Hand-held vehicle exhaust analyzer | Jonathan D. Nordman, John D. Neal, Troy Liebl, Peter D. Johnson | 2001-09-11 | |
| 5993743 | Hand-held vehicle exhaust analyzer | Jonathan D. Nordman, John D. Neal, Troy Liebl, Peter D. Johnson | 1999-11-30 | $17,431,000 |