Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6247917 | Flue gas recirculation system | Eric L. Berger, Karl Kolthoff | 2001-06-19 |
| 6095792 | Flue gas recirculation system and method | Eric L. Berger, Karl Kolthoff | 2000-08-01 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6247917 | Flue gas recirculation system | Eric L. Berger, Karl Kolthoff | 2001-06-19 |
| 6095792 | Flue gas recirculation system and method | Eric L. Berger, Karl Kolthoff | 2000-08-01 |