Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |