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Ching-Chou Chen

Overall (All Time): #2,290,569 of 4,157,543Top 60%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5470164 Pen incorporated with and illuminator — 1995-11-28
D283761 Combined toothbrush, flosser and toothpick — 1986-05-13

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