Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4337143 | Process for obtaining products from tar sand | Francis V. Hanson, Jan D. Miller | 1982-06-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4337143 | Process for obtaining products from tar sand | Francis V. Hanson, Jan D. Miller | 1982-06-29 |