IS

Igor V. Spivak

📍 Donetsk, UA: #24 of 168 inventorsTop 15%
Overall (All Time): #2,337,040 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4747481 Drag member of flight conveyer Viktor M. Gorlov, Alexandr G. Levin 1988-05-31
4566587 Angle scraper chain face conveyor Viktor M. Gorlov, Evgeny I. Kiselev, Alexandr G. Levin, Valentin I. Kutovoi, Jury F. Tverezy 1986-01-28