Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4213931 | Process of manufacturing gypsum products | Viktor A. Trutnev, Valentin K. Kushnarenko, Valentin B. Ignatov, Boris V. Gannota, Nikolai S. Ambartsumyan +1 more | 1980-07-22 |