IY

Ivan A. Yantsen

📍 Karaganda, KZ: #17 of 54 inventorsTop 35%
Overall (All Time): #2,342,231 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4658913 Hydropneumatic percussive tool Kenes K. Bekishev, Orest G. Savchak, Alexandr B. Klok, Tolgat M. Zhanabaev, Mechislav-Valentinas K. Pakshtas +5 more 1987-04-21
4505340 Hydropneumatic percussive tool Kenes K. Bekishev, Orest G. Savchak, Alexandr B. Klok, Tolgat M. Zhanabaev, Mechislav-Valentinas K. Pakshtas +5 more 1985-03-19