Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11130693 | Combination biological contactor and self-backwashing filter systems | Eric Allen Lawrence, Rand S Faaborg, Darrell Wayne Christianson, Brian Lee Primrose, Rene Ann Carson | 2021-09-28 |