Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4624788 | Method of biological purification of waste water | — | 1986-11-25 |
| 4582599 | Aeration tank | Margarita V. Koroleva, Vladimir I. Chernikov, Marx I. Drukarov, Vera L. Jusova | 1986-04-15 |
| 4545907 | Aeration tank | — | 1985-10-08 |