Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4340444 | Plant for retorting oil products contained in shales and sands | — | 1982-07-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4340444 | Plant for retorting oil products contained in shales and sands | — | 1982-07-20 |