Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6178831 | Composite wastewater sampler | Brian D. Dawson | 2001-01-30 |
| 6114833 | Monitoring and controlling system for battery and battery charger | Charles Langston, James J. Dean, Ronald E. Long, James Carrier, Jerom James Jesse +2 more | 2000-09-05 |
| 5652397 | Composite wastewater sampler | Brian D. Dawson | 1997-07-29 |
| 5341690 | Composite wastewater sampler | Brian D. Dawson | 1994-08-30 |