Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4733731 | Air-operated reversible percussive action machine | Khaim B. Tkach, Alexandr D. Kostylev, Konstantin K. Tupitsyn, Mikhail J. Bondar, Vladimir I. Tarasenko | 1988-03-29 |
| 4697647 | Reversible percussive action machine | Alexandr D. Kostylev, Vladimir D. Plavskikh, Konstantin B. Skachkov, Alexei D. Terskov, Vladimir I. Tarasenko | 1987-10-06 |
| 4629008 | Reversible percussive action machine | Alexandr D. Kostylev, Vladimir D. Plavskikh, Alexei D. Terskov, Nikolai P. Chepurnoi, Mikhail J. Bondar +1 more | 1986-12-16 |
| 4570723 | Machine for driving holes in the ground | Alexandr D. Kostylev, Andron T. Karavaev, Vladimir D. Plavskikh, Alexei D. Terskov, Nikolai P. Chepurnoi +1 more | 1986-02-18 |