Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859327 | Means for water and wastewater treatment | Christopher E. Cox | 1989-08-22 |
| 4839050 | Skimmer system | Harold J. Beard | 1989-06-13 |
| 4780206 | Turbulence control system | Harold J. Beard, Gary J. Beard, Mark B. Beard | 1988-10-25 |
| 4634528 | Filter for intra-channel clarification | Harold J. Beard | 1987-01-06 |
| 4626353 | Side skimmer for use in a channel | Harold J. Beard | 1986-12-02 |