Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10730774 | Waste water treatment system and method | M. Eugene Evans, Ivey Burns | 2020-08-04 |
| 7021671 | Septic tank drain field pipe manifold system and method of use | — | 2006-04-04 |
| 6336770 | Drainfield pipe installation device | — | 2002-01-08 |
| D443344 | Drainfield pipe | — | 2001-06-05 |
| 6120209 | Method of installing drainfield pipe | — | 2000-09-19 |
| 5829916 | Drainfield pipe | — | 1998-11-03 |
| 5549415 | Septic tank drainfield installation device and method | — | 1996-08-27 |