GK

Grigory I. Koval

Overall (All Time): #4,110,731 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4199970 Method and mill rolls for metal bar rolling Vladimir N. Vydrin, Evgeny Berezin, Oleg Tischenko, Vladimir G. Dremin 1980-04-29