Issued Patents All Time
Showing 51–57 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4950790 | Volatile fluorinated .beta.-ketoimines and associated metal complexes | — | 1990-08-21 |
| 4943673 | Novel metal-diketone absorbents for olefins | Robert Edward Stevens | 1990-07-24 |
| 4892246 | Postcard with tear out return postcard | — | 1990-01-09 |
| 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 |
| 4741475 | Mass mailer | — | 1988-05-03 |
| 4735634 | Pillared cobalt complexes for oxygen separation | Dorai Ramprasad, Daryle Hadley Busch | 1988-04-05 |