Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5630474 | Process for the extraction of crude oil | Willibald Burger, Piotr Meschkov, Serguei V. Goussevt, Vladimir V. Mazajev, Jaroslav G. Koval | 1997-05-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5630474 | Process for the extraction of crude oil | Willibald Burger, Piotr Meschkov, Serguei V. Goussevt, Vladimir V. Mazajev, Jaroslav G. Koval | 1997-05-20 |