YC

Yen-Kun Chang

Overall (All Time): #1,938,809 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D862814 Tableware-cleaning machine 2019-10-08
D849415 Wiping brush 2019-05-28