WS

Weifeng Shao

OE Otis Elevator: 1 patents #966 of 1,840Top 55%
Overall (All Time): #3,056,804 of 4,157,543Top 75%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9056750 Escalator handrail chain Wei Ge, Mingping Jiang, Jun Li 2015-06-16