Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4773565 | Rotary valve | Donald D. Norwood | 1988-09-27 |
| 4773626 | Rotary valve | Donald D. Norwood | 1988-09-27 |
| 4767028 | Rotary valve | Donald D. Norwood | 1988-08-30 |
| 4690804 | Catalyst feed system | — | 1987-09-01 |
| 4563665 | Method for mixing and transferring polymer-coated catalyst compositions | — | 1986-01-07 |
| 4501286 | Rotary valve | Laura Ann Martin | 1985-02-26 |
| 4331791 | Polymerization process using high molecular weight epoxides | Melvin B. Welch, Richard E. Dietz | 1982-05-25 |