Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9815027 | Gas scouring apparatus for immersed membranes | Joan-Amanda Lenting, William E. Davis | 2017-11-14 |
| D785197 | Gas sparging device | Joan-Amanda Lenting, William E. Davis | 2017-04-25 |
| D562911 | Combined chess game carrier and playing surface | Rosemary Zimmerman | 2008-02-26 |