Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9815027 | Gas scouring apparatus for immersed membranes | Roger Phelps, William E. Davis | 2017-11-14 |
| D785197 | Gas sparging device | Roger Phelps, William E. Davis | 2017-04-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9815027 | Gas scouring apparatus for immersed membranes | Roger Phelps, William E. Davis | 2017-11-14 |
| D785197 | Gas sparging device | Roger Phelps, William E. Davis | 2017-04-25 |