LL

Lev N. Laptev

📍 Las Piñas, PH: #239 of 867 inventorsTop 30%
Overall (All Time): #4,076,309 of 4,157,543Top 100%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4351489 Refiner disk Sergei S. Legotsky, Viadimir A. Semenovsky, Sergei S. Sambursky, Abram B. Litvinov, Alexei I. Kondrashov 1982-09-28