Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7252766 | Wastewater treatment system and method | Matthew Lee | 2007-08-07 |
| 5690824 | Septic system screened pump vault | — | 1997-11-25 |
| 5609754 | Secondary sewage treatment system | — | 1997-03-11 |
| 5202027 | Secondary sewage treatment system | — | 1993-04-13 |
| 5200081 | Secondary sewage treatment system | — | 1993-04-06 |
| 5030353 | Secondary sewage treatment system | — | 1991-07-09 |