Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5686037 | Method and raw ceramic mass for manufacturing building elements | Semyon A. Ryabinky | 1997-11-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5686037 | Method and raw ceramic mass for manufacturing building elements | Semyon A. Ryabinky | 1997-11-11 |