Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6388227 | Combined laser and plasma-arc processing torch and method | Igor Dykhno, Evgeny Bogachenkov | 2002-05-14 |
| 6156999 | Method and device for welding arc ignition for arc welding apparatus | Evgeny Bogachenkov, Igor Dykhno | 2000-12-05 |