Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4949907 | Ball-tube mill | Vasily S. Bogdanov, Nikolai S. Bogdanov, Alexandr D. Netesin | 1990-08-21 |
| 4923127 | Ball tube mill | Vasily S. Bogdanov, Viktor S. Platonov, Nikolai S. Bogdanov, Jury G. Bedko, Ivan I. Miroshnichenko | 1990-05-08 |
| 4917312 | Ball tube mill | Vasily S. Bogdanov, Ivan I. Miroshnichenko, Nikolai S. Bogdanov, Vladimir Z. Pirotsky, Ivan N. Shevchenko | 1990-04-17 |