Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4703493 | Seal for an electrode hole in an electric arc furnace | Nikolay G. Bakalov, Penyo I. Penev, Velyo T. Velev, Peter H. Savov, Alexander Y. Vulchev | 1987-10-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4703493 | Seal for an electrode hole in an electric arc furnace | Nikolay G. Bakalov, Penyo I. Penev, Velyo T. Velev, Peter H. Savov, Alexander Y. Vulchev | 1987-10-27 |