Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6495040 | Septic tank filtering system | Kenneth E. Zoeller, Matthew E. Byers, Jason Fletcher | 2002-12-17 |
| 6331247 | Septic tank filtering system | Kenneth E. Zoeller, Matthew E. Byers, Jason Fletcher | 2001-12-18 |
| 6136190 | Septic tank filtering system | Kenneth E. Zoeller, Matthew E. Byers, Jason Fletcher | 2000-10-24 |
| 6112766 | Low flow wastewater and effluent distribution system | Kenneth E. Zoeller, Matthew E. Byers | 2000-09-05 |