Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4740990 | Graphite electrode with protective coating and method for its production | Rumen B. Radev, Alexander Y. Vulchev | 1988-04-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4740990 | Graphite electrode with protective coating and method for its production | Rumen B. Radev, Alexander Y. Vulchev | 1988-04-26 |