Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850384 | Electric vacuum regulator | — | 1989-07-25 |
| 4840350 | Electrically actuated EGR valve | — | 1989-06-20 |
| 4834947 | Reactor system for rapid kill gas injection to gas phase polymerization reactors | Robert O. Hagerty, Frederick W. Jacob | 1989-05-30 |
| 4827884 | Throttle assembly | — | 1989-05-09 |