PV

Peter V. Valchev

📍 Kardzhali, BG: #2 of 7 inventorsTop 30%
Overall (All Time): #3,908,239 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4944869 Method and installation for obtaining enriched fractions from used storage batteries Nedyalko K. Lyakov, Georgi A. Haralampiev, Todor G. Nikolov, Georgi S. Buyukliev, Peter Petrov +2 more 1990-07-31