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Chen-An Cheng

📍 Tainan, TW: #35 of 288 inventorsTop 15%
Overall (2004): #70,654 of 270,089Top 30%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6772614 Key ring with a diamond-shining ornamental block — 2004-08-10
6761466 Elastic flash stick with an ornamental block — 2004-07-13