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TL

Tsang-Jenn Liu

Overall (All Time): #2,228,661 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6261016 Multi-functional replaceable pen — 2001-07-17
5988916 Rotary type automatic pencil — 1999-11-23

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