CH

Ching-Feng Hsu

📍 New Taipei, TW: #27 of 273 inventorsTop 10%
Overall (2002): #31,807 of 266,432Top 15%
3
Patents 2002

Issued Patents 2002

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D459028 Electrical hair ball remover 2002-06-18
D459038 Portable vacuum cleaner 2002-06-18
D455228 Electrical fluff remover 2002-04-02