Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4917312 | Ball tube mill | Vasily S. Bogdanov, Ivan I. Miroshnichenko, Nikolai S. Bogdanov, Nikolai D. Vorobiev, Vladimir Z. Pirotsky | 1990-04-17 |
| 4867322 | Ball tube mill | Vasily S. Bogdanov, Alexandr D. Netesin, Ivan I. Miroshnichenko, Nikolai S. Bogdanov, Vladimir B. Khlusov +1 more | 1989-09-19 |