HL

Hong Xiang Liang

SA Siemens Schweiz Ag: 1 patents #109 of 341Top 35%
Overall (All Time): #2,771,726 of 4,157,543Top 70%
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Patent #TitleCo-InventorsDate
10540885 Fire alarm systems Xue Song Shen, Jian Tan 2020-01-21