CC

Chao Cao

HP Hand Held Products: 1 patents #48 of 158Top 35%
📍 Yiyang, PA: #1 of 1 inventorsTop 100%
Overall (2020): #96,309 of 565,922Top 20%
3
Patents 2020

Issued Patents 2020

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D905840 Air purifier 2020-12-22
D905841 Air purifier 2020-12-22
10698470 Smart battery balance system and method Zhenjun Zhang, Jinhua Shen, Jinchao Shi 2020-06-30