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Zhenxiang Zhang

UNUnknown: 1 patents #213 of 2,616Top 9%
St. Catharines, CA: #3 of 18 inventorsTop 20%
Overall (2011): #116,882 of 364,097Top 35%
1 Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8022285 Automatic guitar tuning case — 2011-09-20

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Zhuyan Zhao1
Zhihong Zhao1
Zhenging Zhao1
Zhihe Zhang1
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Zhengwei Zhang1
Zhi Zhang1
ZHI-GUO ZHANG1
Zhan Zhang1