IF

Isidor I. Frumin

📍 Ruse, BG: #30 of 655 inventorsTop 5%
Overall (All Time): #1,307,546 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4506865 Valve housing Boris F. Bragin, Petr V. Gladky, Felix D. Markuntovich, Evgeny F. Perepletchikov, Boris Y. Ekber 1985-03-26
4305451 Electroslag remelting and surfacing apparatus Georgy V. Ksendzyk, Vladimir S. Shirin 1981-12-15
4190017 Tank furnace for hot-dip metal coating Nikolai K. Bizik, Vladimir P. Sotchenko, Valery F. Barabash, Petr F. Chernyak, Evgeny I. Frumin +8 more 1980-02-26
4185682 Electroslag remelting and surfacing apparatus Georgy V. Ksendzyk, Vladimir S. Shirin 1980-01-29