Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4231995 | Ammonia double-alkali process for removing sulfur oxides from stack gases | James M. Henderson, Walter R. Johnson, William H. Wetherill | 1980-11-04 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4231995 | Ammonia double-alkali process for removing sulfur oxides from stack gases | James M. Henderson, Walter R. Johnson, William H. Wetherill | 1980-11-04 |