Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7073587 | System for increasing productivity of oil, gas and hydrogeological wells | Valentin Grebennikov, Boris Goldstein, Anatoly Ivanov, Lon M. Marmorshteyn | 2006-07-11 |
| 6651741 | Method of increasing productivity of oil, gas and hydrogeological wells | Valentin Grebennikov, Boris Goldstein, Anatoly Ivanov, Leon Marmorshteyn | 2003-11-25 |