Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4816483 | Composition and method for treatment and metaphylaxis of urate and mixed urate lithiasis | Maria I. Georgieva | 1989-03-28 |
| 4259919 | Apparatus for coating graphite electrodes | Todor Yankov Koychev, Lyuben K. Lazov, Alexander Y. Valchev | 1981-04-07 |