CY

Chi-Hsang Yeh

Overall (2004): #69,557 of 270,089Top 30%
2
Patents 2004

Issued Patents 2004

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