Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4672859 | Apparatus for coordinate positioning | Vassil N. Vatzov, Stefan Stanev | 1987-06-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4672859 | Apparatus for coordinate positioning | Vassil N. Vatzov, Stefan Stanev | 1987-06-16 |