Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4473441 | Apparatus for heat induced separation of hydrocarbon constituents from coal | MacDonald Pine, James R. Johnson, Rudolph A. Sandoval | 1984-09-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4473441 | Apparatus for heat induced separation of hydrocarbon constituents from coal | MacDonald Pine, James R. Johnson, Rudolph A. Sandoval | 1984-09-25 |