Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5030288 | Active mineral additive to binding materials | Pavel P. Lerke, Berkimbai Parimbetov, Vladimir F. Verner, Valery V. Shnaider, Leonid M. Volozhin +2 more | 1991-07-09 |