Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6780318 | Method for recovering a disposal trench with a biomat slime, and method for operating a waste treatment vessel | Daniel E. Wickham | 2004-08-24 |
| 5544460 | Multi-component fluid tank | — | 1996-08-13 |
| 5104542 | Dual chamber sewage treatment system | David B. Dixon | 1992-04-14 |