Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4828579 | Thermally insulated quench ring for a gasifier | Michael W. Becker, Allen M. Robin | 1989-05-09 |
| 4801307 | Quench ring and dip-tube assembly | James R. Muenger, Americo R. Catena, Anthony E. Bergin, John M. Veillon, Michael W. Becker | 1989-01-31 |