GI

George Ignatchenko

Overall (All Time): #3,673,357 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5705785 Combined laser and plasma arc welding torch Igor Dykhno, Igor M. Parneta, Michael Chizhenko 1998-01-06