Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4219363 | Process for the preparation of Portland cement clinker | Vladimir A. Tokar, Maria I. Zubik, Nikolai F. Matygin, Valentin S. Ustinov, Anatoly V. Kolesnikov +12 more | 1980-08-26 |