CA

Chang Yup AN

UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #1,934,183 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10400927 Earthquake-resistant flexible slip joint apparatus 2019-09-03
10253896 Packing cylinder for expansion joint 2019-04-09