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Meizhen Lei

Overall (All Time): #2,453,832 of 4,157,543Top 60%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12404971 Battery-type grease gun capable of being loaded with various grease cartridges Huabin Chen, Yanqing Chen 2025-09-02