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Huifang Du

QC Qingdao Haier Drum Washing Machine Co.: 1 patents #55 of 105Top 55%
📍 Qingdao, CN: #946 of 2,087 inventorsTop 50%
Overall (All Time): #2,824,291 of 4,157,543Top 70%
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Patent #TitleCo-InventorsDate
10822738 Washing machine door having decorative ring, washing machine, and laundry method Zongrui Chi, Zhi Chen, Yongchao Chen, Houli Luan, Chao Xu 2020-11-03