Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4716273 | Electric-arc trainer for welders | Boris E. Paton, Vsevolod V. Vasiliev, Valentin A. Bogdanovsky, Sergei N. Danilyak, Viktor M. Gavva +1 more | 1987-12-29 |
| 4689021 | Spark trainer for welders | Vsevolod V. Vasiliev, Sergei N. Danilyak, Anna I. Levina, Jury P. Roiko | 1987-08-25 |