Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4998846 | Concrete dam bottom discharge works | Jury I. Evstratov, Oleg L. Sandigursky, Mikhail T. Nerovny, Sergei V. Larionov, Oleg I. Evstratov | 1991-03-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4998846 | Concrete dam bottom discharge works | Jury I. Evstratov, Oleg L. Sandigursky, Mikhail T. Nerovny, Sergei V. Larionov, Oleg I. Evstratov | 1991-03-12 |