Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4653596 | Percussive air tool | Alexandr D. Kostylev, Jury N. Syryamin, Boris N. Smolyanitsky, Vladimir P. Boginsky, Alexei D. Terskov +1 more | 1987-03-31 |
| 4440240 | Method of making holes in the soil and apparatus for performing this method | Alexandr D. Kostylev, Vladimir P. Gileta, Vladimir A. Grigoraschenko, Khaim B. Tkach, Vladimir A. Bakunin +12 more | 1984-04-03 |