Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6470828 | Animal waste management system and method thereof | David Allen Townsend, James H. Freiss, Joel Willis Sneed, Brian T. Paulsen | 2002-10-29 |
| 4981599 | Method of treating waste water | — | 1991-01-01 |