Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877425 | Novel metal-diketone absorbents for carbon monoxide | Robert Edward Stevens | 1989-10-31 |
| 4845254 | Novel metal-diketone absorbents for carbon monoxide or olefins | Robert Edward Stevens | 1989-07-04 |