Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4311530 | Concrete mix and process for the manufacture of chemically stable structures and articles therefrom | Ivan E. Putlyaev, Vladimir A. Otrepiev, Evgeny A. Guzeev, Natalya F. Shesterkina, Vasily V. Paturoev +1 more | 1982-01-19 |