PU

Petr A. Usachev

📍 Apatity, RU: #1 of 10 inventorsTop 10%
Overall (1982): #20,986 of 81,411Top 30%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

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