Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4716273 | Electric-arc trainer for welders | Boris E. Paton, Vsevolod V. Vasiliev, Valentin A. Bogdanovsky, Viktor M. Gavva, Jury P. Roiko +1 more | 1987-12-29 |
| 4689021 | Spark trainer for welders | Vsevolod V. Vasiliev, Anna I. Levina, Valery A. Nushko, Jury P. Roiko | 1987-08-25 |
| 4680014 | Welder's trainer | Boris E. Paton, Vsevolod V. Vasiliev, Valentin A. Bogdanovsky, Alexandr I. Baranov, Viktor A. Schegolev +4 more | 1987-07-14 |