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JA Johnson Electric International Ag: 1 patents #163 of 404Top 45%
Overall (All Time): #2,842,545 of 4,157,543Top 70%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10205293 Commutator, motor using same and method of manufacturing the commutator Jing Chao Zheng, Xiu Xian WANG 2019-02-12