Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4410420 | Multi-zone conversion process and reactor assembly for heavy hydrocarbon feedstocks | Barry Liss, Michael J. Calderon | 1983-10-18 |
| 4323446 | Multi-zone coal conversion process using particulate carrier material | Michael C. Chervenak, Edwin S. Johanson | 1982-04-06 |