Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6495040 | Septic tank filtering system | Kenneth E. Zoeller, William V. West, Jason Fletcher | 2002-12-17 |
| 6375388 | Affluent distribution system capable of being horizontally offset or curved | Kenneth E. Zoeller | 2002-04-23 |