Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6077494 | Method for removing ammonia from ammonia contaminated fly ash | Frank J. Hrach, Jr. | 2000-06-20 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6077494 | Method for removing ammonia from ammonia contaminated fly ash | Frank J. Hrach, Jr. | 2000-06-20 |