Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7534357 | Dual-train wastewater reclamation and treatment system | Stephen P. Markle | 2009-05-19 |
| 6195825 | Laundry wash-cycle water recovery system | — | 2001-03-06 |
| 4981594 | Waste water purification system | — | 1991-01-01 |