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Home › Inventors › Chi Hwa-jei
CH

Chi Hwa-jei

Overall (All Time): #3,359,537 of 4,157,543Top 85%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D571787 Sound amplifier with a speaker — 2008-06-24

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