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Lei Qui

SA Siemens Aktiengesellschaft: 2 patents #6,658 of 22,248Top 30%
Overall (All Time): #2,049,377 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D703565 Fire detector Kai Chen, Wen Long Qi, Wen Shang, Zeng Tuan Xie 2014-04-29
D703566 Fire detector Kai Chen, Wen Long Qi, Wen Shang, Zeng Tuan Xie 2014-04-29