CY

Chi-Hsang Yeh

Overall (All Time): #2,190,441 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6789647 Escape mechanism for high-rise 2004-09-14
6729436 Safety device for pylon 2004-05-04