YC

Yo-Lun Chang

📍 Fangshankeng, TW: #1 of 1 inventorsTop 100%
Overall (2021): #96,318 of 548,734Top 20%
2
Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11073351 Pistol device Chen-Hung Tai, Hwa-Nung Lee 2021-07-27
11029105 Frame of pistol Chen-Hung Tai, Hwa-Nung Lee 2021-06-08