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USPTO Patent Rankings Data through Sept 30, 2025
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Mei-Chin Chuang

Madou, TW: #1 of 1 inventorsTop 100%
Overall (2002): #155,901 of 266,432Top 60%
1 Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6343840 Height adjustment mechanism for chair backrest or arm 2002-02-05