RC

Rongfeng Cheng

QC Qingdao Haier Washing Machine Co.: 1 patents #4 of 26Top 20%
📍 Laoshan District, CN: #1 of 1 inventorsTop 100%
Overall (2021): #286,397 of 548,734Top 55%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11028524 Positive-negative-rotation fan for clothes dryer, and clothes dryer Jindong Bing, Tao Li 2021-06-08