Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5792373 | Backwash filter system | Kenneth Thomas Bennick, Michael E. Isch, David Lee Truman | 1998-08-11 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5792373 | Backwash filter system | Kenneth Thomas Bennick, Michael E. Isch, David Lee Truman | 1998-08-11 |