DF

Di Fang

UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #1,827,693 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
D1005394 Pencil 2023-11-21
11134657 Pet leash preventing locking due to jerk Wenwei Tang, Qingfeng Dai, Yingzhou Chen, Ying Tang 2021-10-05