Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871520 | Process and composition for H.sub.2 S removal | Donald C. Olson, Wayne R. Miller, George C. Blytas, Zaida Diaz | 1989-10-03 |
| 4859436 | H.sub.2 S removal process and composition | Donald C. Olson | 1989-08-22 |