Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6517711 | Waste treatment system | Thomas Beal, Guy Marchesseault, Christine Robblee, Steven McHenry | 2003-02-11 |
| 6156192 | Waste treatment system | — | 2000-12-05 |
| 6132600 | Filtration and treatment system | Guy Marchesseault, Heinz Sauk-Schubert, Thomas Beal | 2000-10-17 |
| 5853579 | Treatment system | Thomas Beal, Guy Marchesseault | 1998-12-29 |
| 5843304 | Filtration and treatment system | Guy Marchesseault, Heinz Sauk-Schubert, Thomas Beal | 1998-12-01 |
| 5725762 | Separation treatment system | Thomas Beal, Steven McHenry | 1998-03-10 |
| 5447630 | Materials treatment process and apparatus | — | 1995-09-05 |
| D356624 | Waste separator | — | 1995-03-21 |