SV

Stefanka V. Vassileva

Overall (All Time): #3,997,050 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4594372 Polyvinyl chloride composition Miltcho A. Natov, Hristo B. Kotchev, Zvetan S. Djagarov, Nikola N. Popov 1986-06-10