Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5645616 | Black liquor gasifier | Robert A. McIlroy, Robert A. Kuchner, Dennis W. Johnson | 1997-07-08 |
| 5634950 | Black liquor gasifier | Robert A. McIlroy, Robert A. Kuchner, Dennis W. Johnson | 1997-06-03 |