ST

Sergey D. Tkach

Overall (All Time): #3,559,697 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6460936 Borehole mining tool Grigori Y. Abramov, Nikolai I. Babichev, Mikhail M. Novikov, Ratko Polic, Marcus A. Wiley 2002-10-08