JD

Jenhao Dai

UN Unknown: 2 patents #12,644 of 83,584Top 20%
Overall (All Time): #1,979,483 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9629426 Rib structure of an inverse folding umbrella 2017-04-25
9486044 Reverse folding umbrella 2016-11-08