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Inventor
HUANG CHAOTAN
TW
2 patents
Patents
2 patents
US9531934B2
Dec 27, 2016
Photographing device with rotatable electrical connection portion
VIVOTEK INC
2 citations
57
US9332168B2
May 3, 2016
Photographing device having multiple video capturing units
VIVOTEK INC
1 citations
46