OT

Oleg F. Trofimov

Overall (All Time): #2,371,943 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4294098 Apparatus for manufacturing steel spring leaves Viktor P. Egorov, Viktor A. Ognevsky, Anatoly G. Orlovsky, Grigory A. Ostrovsky, Alexandr M. Ryskind +2 more 1981-10-13
4193824 Method for manufacturing steel spring leaves Viktor P. Egorov, Viktor A. Ognevsky, Anatoly G. Orlovsky, Grigory A. Ostrovsky, Alexandr M. Ryskind +2 more 1980-03-18