MC

Michael Tong Chang

UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #2,945,825 of 4,157,543Top 75%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9654951 Automatic distress alarming method and its system Lai Ming Wu, Chui Ha Kung, Ka Ho Cheung, Heung Kai Chan, Choi Lam Cheung +1 more 2017-05-16