Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7160248 | Optical device for viewing of cavernous and/or inaccessible spaces | Sergei Alekseenko, Aleksey Evseev, Andrey Belousov, Lev Diamant, Yuri Dubnistchev +3 more | 2007-01-09 |
| 7018330 | Optical device for viewing of cavernous and/or inaccessible spaces | Sergei Alekseenko, Aleksey Evseev, Andrey Belousov, Lev Diamant, Yuri Dubnistchev +3 more | 2006-03-28 |