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Yuan-Tsai Yu

Overall (All Time): #2,155,536 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7216586 Portable stamp assembly 2007-05-15
D538329 Stamp assembly 2007-03-13