Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4323446 | Multi-zone coal conversion process using particulate carrier material | Michael C. Chervenak, Edwin S. Johanson | 1982-04-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4323446 | Multi-zone coal conversion process using particulate carrier material | Michael C. Chervenak, Edwin S. Johanson | 1982-04-06 |