SZ

Shihan Zhang

ED Empire Technology Development: 1 patents #283 of 547Top 55%
Overall (All Time): #3,252,761 of 4,157,543Top 80%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7958970 Acceleration sensor calibrated hoist positioning Pengfei Ma 2011-06-14