ST

Sergey D. Tkach

Overall (2002): #119,824 of 266,432Top 45%
1
Patents 2002

Issued Patents 2002

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