Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4300949 | Method for treating sulfide raw materials | Mikhail E. Khilko, Rina I. Felman, Vasily I. Sadykov, Evgeny I. Kalnin, Pavel A. Kovgan | 1981-11-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4300949 | Method for treating sulfide raw materials | Mikhail E. Khilko, Rina I. Felman, Vasily I. Sadykov, Evgeny I. Kalnin, Pavel A. Kovgan | 1981-11-17 |