Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5419839 | Apparatus and method for treating waste sludge | Earle Haley, Fred R. Huege, Tom Elliston | 1995-05-30 |
| 5409605 | Apparatus and method for treating waste sludge | Earle Haley, Fred R. Huege, Tom Elliston | 1995-04-25 |