Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5039253 | Method for trenchless laying of pipes and an arrangement for carrying out the method | Leonid I. Kantovich, Anatoly P. Svechkopalov, Sergei A. Vasin | 1991-08-13 |
| 4770085 | Hydraulic jack | Alexandr N. Semenov, Vladimir P. Samoilov, Tom P. Sadovsky, deceased | 1988-09-13 |