Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4898853 | Acetylenic esters | James V. Heck | 1990-02-06 |
| 4630026 | Elevator position indicating system | — | 1986-12-16 |
| 4560810 | Catalytic dealkylation of alkylated phenols | John J. Talley, Irene A. Evans | 1985-12-24 |