Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5039253 | Method for trenchless laying of pipes and an arrangement for carrying out the method | Sergei M. Grigoriev, Anatoly P. Svechkopalov, Sergei A. Vasin | 1991-08-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5039253 | Method for trenchless laying of pipes and an arrangement for carrying out the method | Sergei M. Grigoriev, Anatoly P. Svechkopalov, Sergei A. Vasin | 1991-08-13 |