Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4486562 | Process for making vulcanized carbon black-reinforced bromobutyl rubber films | Douglas C. Edwards | 1984-12-04 |
| 4482657 | Silica-polymer mixtures | Douglas C. Edwards | 1984-11-13 |
| 4265939 | Particulate rubber process | Klaas Tebbens, Jhy-Dou R. Lo | 1981-05-05 |