Elena Aleksandrova Stefanova

City:

Sofia

Country:

Bulgaria

Published Applications:

Last publication date:

2019-11-14

Recent patent applications by Stefanova Elena Aleksandrova

Elena Aleksandrova Stefanova from Sofia, BG has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2019-11-14

US20190346053A1

Mechanical engineering

Self-sealing backdraft damper

InventorID:

3031413 ⎘