Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4671342 | Method of and apparatus for casting metals under pressure | Angel Tonchev Balevski, Ivan Dimov Nikolov, Emil Nikolov Momchilov, Vassil N. Ostrovski, Alexander S. Nikolchov +3 more | 1987-06-09 |