CC

Chi-Tsan Chang

Overall (All Time): #2,084,289 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8098872 Headphone — 2012-01-17
7869615 Sound-box type earphone housing, headset with sound-box type earphone housings — 2011-01-11