HY

Helen Yan

VA Va: 1 patents #1 of 3Top 35%
📍 Tianjin, GA: #1 of 1 inventorsTop 100%
Overall (2003): #213,515 of 273,478Top 80%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6652165 Damping system for mechanical shutter Stephen T. Pasquarella, Christopher Akuncius 2003-11-25