Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4609108 | Tobacco sorting method and apparatus | Hristo M. Ribarov, Zdravko B. Marchev, Spas N. Markov, Atanas A. Valev | 1986-09-02 |
| 4603251 | Device for determining the reflective characteristics of articles | Zdravko B. Marchev, Hristo M. Ribarov, Spas N. Markov | 1986-07-29 |