Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4181484 | Device for forming underground pipelines | Alexandr D. Kostylev, Konstantin Stepanovich Gurkov, Vladimir D. Plavskikh, Vladimir V. Klimashko, Leonid Rozhkov +4 more | 1980-01-01 |