BB

Boris N. Birjukov

📍 Middletown, DE: #160 of 298 inventorsTop 55%
🗺 Delaware: #4,431 of 7,163 inventorsTop 65%
Overall (All Time): #4,020,789 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4538474 Impulse variable speed device Vladimir F. Dzjuba, Vladlen L. Besedin 1985-09-03