Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9157226 | Apparatus and method for increasing hydraulic capacity of a sewer | — | 2015-10-13 |
| 7287932 | Ballasting system for on-site sewage treatment and disposal system | — | 2007-10-30 |
| 7022235 | Wastewater biological treatment system and method therefor | — | 2006-04-04 |
| 5827010 | On-site sewage treatment and disposal system | — | 1998-10-27 |
| 5575304 | Vacuum sewer system | — | 1996-11-19 |
| 5435666 | Methods for isolating a water table and for soil remediation | Stanley M. Porfido | 1995-07-25 |