Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4463908 | Device for clamping the adjustment ring of a cone crusher | Nikolai A. Ivanov, Boris G. Ivanov, Leonid P. Zagoratsky, Evgeny S. Mitrofanov, Vladimir A. Cherkassky +5 more | 1984-08-07 |
| 4289280 | Crusher bowl clamping device | Evgeny S. Mitrofanov, Boris G. Ivanov, Nikolai A. Ivanov, Isaak Y. Khinich | 1981-09-15 |