WC

Wen-Fang Chang

Overall (2002): #36,062 of 266,432Top 15%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6394458 Sectional target board of a dartboard — 2002-05-28
6386544 Dartboard with auto-returning target plates — 2002-05-14