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ED Empire Technology Development: 1 patents #283 of 547Top 55%
Overall (All Time): #3,098,503 of 4,157,543Top 75%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8686850 Wireless earthquake alarm based on mems accelerometers Tao Zeng, Bing Zhang, Huayin Zheng 2014-04-01