Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4315701 | Shuttering for erecting a concrete tunnel lining | Valentin A. Ivanov, Vladimir A. Khodosh, Igor S. Ostrovsky, Mikhall Y. Shenkman, Jury A. Koshelev +2 more | 1982-02-16 |
| 4222681 | Shield for constructing tunnels with in-situ formed concrete lining | Vladimir A. Khodosh, Valentin A. Ivanov, Anatoly S. Lugovtsov, Vladimir A. Alikhashkin, Arkady I. Mozhaev +3 more | 1980-09-16 |