Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5143481 | Method of treating municipal sewage sludge and product produced thereby | Glenn Schumacher, LaVerne Weber, Alan Dunbar, Jeffrey M. Douglas | 1992-09-01 |
| 5051031 | Method of treating municipal sewage sludge and product produced thereby | Glenn Schumacher, LaVerne Weber, Alan Dunbar, Jeffrey M. Douglas | 1991-09-24 |
| 4472198 | Process and system of wasting fly ash and product produced thereby | Alan Dunbar, Joseph H. Pound | 1984-09-18 |