Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5310498 | Sulfur dioxide removal from gases using a modified lime | Lewis B. Benson | 1994-05-10 |
| 5200160 | Process for removing sulfur dioxide and nitrogen oxides from flue gases | Lewis B. Benson, John W. College | 1993-04-06 |
| 5082639 | Sulfur dioxide removal from gases using a modified lime | Lewis B. Benson | 1992-01-21 |
| 4976937 | Sulfur dioxide removal from flue gases with sulfite oxidation inhibition | Lewis B. Benson, John W. College | 1990-12-11 |