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Chih-Ping Chang

📍 Tainan, TW: #13 of 76 inventorsTop 20%
Overall (1997): #169,099 of 185,788Top 95%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5655321 Water ball structure — 1997-08-12