Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4369002 | Method of emptying pipes driven into earth in nontrench laying and device for carrying same into effect | Alexandr D. Kostylev, Vladimir P. Gileta, Vladimir A. Grigoraschenko, Khaim B. Tkach, Valery A. Kozlov +2 more | 1983-01-18 |