PZ

Petr I. Zelenov

📍 Olenegorsk, RU: #1 of 5 inventorsTop 20%
Overall (All Time): #4,065,570 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4316542 Electromagnetic separator Petr A. Usachev, Jury V. Davydov, Vyacheslav P. Lyakhov, Irina M. Zelenova, Nikolai A. Aleinikov +2 more 1982-02-23