Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4944867 | Process to secure oil, gas, and by-products from pyrobetuminous shale and other matter impregnated with hydrocarbons | Rene Mundstock, Kuniyuki Terabe, Joao C. Teixeira, Altair R. D. Batista, Edson Danta Dias +6 more | 1990-07-31 |