Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4499173 | Photographic material for use in photolithography | Borislav D. Mednikarov, Maria A. Sahatchieva, Atanas T. Burov | 1985-02-12 |
| 4458008 | Photographic system and photographic material for use therein | Borislav D. Mednikarov, Maria A. Sahatchieva, Atanas T. Burov | 1984-07-03 |