Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4462878 | Method of treating and refining liquid metal alloys by direct current electric arc heating | Peter H. Savov, Nikolay G. Bakalov, Alexander Y. Valchev, Boris Y. Drakaliiski, Vassil G. Peev +5 more | 1984-07-31 |