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Valentina M. Kovalenko

📍 Las Piñas, PH: #239 of 867 inventorsTop 30%
Overall (All Time): #4,113,607 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4207301 Process for producing zinc phosphate Natalia E. Danjushevskaya, Olga V. Alexeeva, Bella G. Pogostkina, Zinaida A. Mironova 1980-06-10