Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4655405 | Inertia cone crusher | Leonid P. Zarogatsky, Nikolai A. Ivanov, Villi R. Laubgan, Andrei N. Safronov | 1987-04-07 |
| 4592517 | Inertia cone crusher | Leonid P. Zarogatsky, Nikolai A. Ivanov, Villi R. Laubgan, Andrei N. Safronov, Vladimir Y. Turkin +1 more | 1986-06-03 |