Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832919 | Olefin fractionation and catalytic conversion system with heat exchange means | Bernard S. Wright, Hartley Owen | 1989-05-23 |
| 4832920 | Olefin fractionation and catalytic conversion system | Hartley Owen, Bernard S. Wright | 1989-05-23 |