EK

Evgeny I. Kalnin

Overall (All Time): #4,100,643 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4300949 Method for treating sulfide raw materials Konstantin I. Ushakov, Mikhail E. Khilko, Rina I. Felman, Vasily I. Sadykov, Pavel A. Kovgan 1981-11-17