Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874505 | Recycle of oily refinery wastes | Mark P. Bartilucci, William J. Tracy, III | 1989-10-17 |
| 4853106 | Delayed coking process | J. Jay Grove | 1989-08-01 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874505 | Recycle of oily refinery wastes | Mark P. Bartilucci, William J. Tracy, III | 1989-10-17 |
| 4853106 | Delayed coking process | J. Jay Grove | 1989-08-01 |