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En-Ting Chu

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #3,422,229 of 4,157,543Top 85%
1 Patents All Time

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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7073710 Method of purchasing refill units online 2006-07-11