Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4279708 | Combined brightener in sulfamate silver electroplating baths | Todor V. Novev, Sava D. Ovcharov, Nikola S. Yordanov, Jivka P. Acheva, Yordan I. Yordanov | 1981-07-21 |