Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4199398 | Rotary film apparatus | Ivan F. Evkin, Viktor M. Olevsky, Vitaly R. Ruchinsky, Valentin A. Tatyanchikov | 1980-04-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4199398 | Rotary film apparatus | Ivan F. Evkin, Viktor M. Olevsky, Vitaly R. Ruchinsky, Valentin A. Tatyanchikov | 1980-04-22 |