Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4778598 | Separation of ash from regenerated adsorbent | Mark C. Hoffman, Thomas Oettinger | 1988-10-18 |
| 4735729 | Ash concentration and disposal method | Mark C. Hoffman, Thomas Oettinger | 1988-04-05 |