Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5365978 | Top entry flow control valve with two sets of orifices | — | 1994-11-22 |
| 5346676 | Apparatus of alkylation using alkanes and olefins | Clifford S. Crossland, Alan A. Johnson, Elliot G. Pitt | 1994-09-13 |