Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871448 | Mechanical flotation machine | Valentin I. Dobryakov, Galina V. Zhevzhik, Valery A. Seballo, Evgeny V. Zhukov, Altar Z. Ententeev +1 more | 1989-10-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871448 | Mechanical flotation machine | Valentin I. Dobryakov, Galina V. Zhevzhik, Valery A. Seballo, Evgeny V. Zhukov, Altar Z. Ententeev +1 more | 1989-10-03 |