ES

Elena Aleksandrova Stefanova

Overall (All Time): #2,555,066 of 4,157,543Top 65%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12173804 Self-sealing backdraft damper Orlin Bogomilov Yordanov 2024-12-24