TC

Tak Sing Choi

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Danshui, CN: #1 of 1 inventorsTop 100%
Overall (All Time): #2,110,731 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7998547 Magnesium oxide-based construction board Michael E. Feigin 2011-08-16
7255907 Magnesium oxide-based construction board Michael E. Feigin 2007-08-14