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Cheung Hui Choi

Overall (2017): #466,997 of 506,227Top 95%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9718440 Electronic key device capable of wirelessly controlling lock system and transmitting control authentication of lock system, system therefor, and method therefor Gwang Woo Kim, Kun Hwi Choi 2017-08-01