Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5362464 | Method for removing sulfur oxides | Donald R. Spink, Jerry Y. Stein | 1994-11-08 |
| 5023064 | Method for removing sulfur oxide | Donald R. Spink, Jerry Y. Stein | 1991-06-11 |
| 4963329 | Gas reacting apparatus and method | Donald R. Spink, Jerry Y. Stein | 1990-10-16 |
| 4865817 | Gas reacting apparatus | Donald R. Spink, Jerry Y. Stein | 1989-09-12 |