Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5556538 | Denitrification system | Harold J. Beard | 1996-09-17 |
| 4950406 | Flow adjusting vane for intra-channel clarifier | Harold J. Beard, Raleigh L. Cox, Mark B. Beard, Michael Todd | 1990-08-21 |
| 4780206 | Turbulence control system | Harold J. Beard, Raleigh L. Cox, Mark B. Beard | 1988-10-25 |