Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4379714 | Method for regulating the granulometric characteristic of the components in metallurgical slags | Stoycho M. Stoev, Shtelyana D. Dshendova, Kiril Stoyanov, Raycho V. Dochev | 1983-04-12 |
| 4306852 | Sprueless plastic material injection molding injection apparatus | Evgeni H. Mateev | 1981-12-22 |