Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4778975 | Electrical supply circuit for electron beam evaporators | Vasil B. Penchev, Vencislav Bonev | 1988-10-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4778975 | Electrical supply circuit for electron beam evaporators | Vasil B. Penchev, Vencislav Bonev | 1988-10-18 |