MJ

Mingming Jiang

OE Otis Elevator: 1 patents #966 of 1,840Top 55%
Overall (All Time): #2,643,825 of 4,157,543Top 65%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11279593 Compensation line storing apparatus, jump lift and the usage method thereof — 2022-03-22