YP

Yang-Kuang Pai

Overall (All Time): #2,363,965 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4408421 Manhole structure 1983-10-11
4364703 Rotary parking structure for passenger cars 1982-12-21