Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4996409 | Arc-welding monitor | Vsevolod V. Vasiliev, Valentin A. Bogdanovsky, Konstantin V. Shelekhov, Viktor M. Gavva, Vladimir D. Bigdash +2 more | 1991-02-26 |
| 4716273 | Electric-arc trainer for welders | Vsevolod V. Vasiliev, Valentin A. Bogdanovsky, Sergei N. Danilyak, Viktor M. Gavva, Jury P. Roiko +1 more | 1987-12-29 |
| 4680014 | Welder's trainer | Vsevolod V. Vasiliev, Valentin A. Bogdanovsky, Alexandr I. Baranov, Sergei N. Danilyak, Viktor A. Schegolev +4 more | 1987-07-14 |