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Ching Kuo Chuang

📍 Puli, TW: #19 of 42 inventorsTop 50%
Overall (All Time): #2,057,903 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8831232 Anti-noise earmuff device with Bluetooth module and audio signal processor — 2014-09-09
7248706 Audio-signal detecting device — 2007-07-24