YC

Yi-Fan Chang

Overall (2019): #12,143 of 560,194Top 3%
8
Patents 2019

Issued Patents 2019

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
D862192 Tool handle 2019-10-08
D861454 Tool handle 2019-10-01
D861455 Tool handle 2019-10-01
D860754 Tool handle 2019-09-24
D858995 Tool box 2019-09-10
D858994 Tool box 2019-09-10
10279689 Battery rescue activating reset device 2019-05-07
D837518 Case for vehicle jumper cable 2019-01-08