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Jong-Shing Chang

Ren'ai Township, TW: #2 of 5 inventorsTop 40%

Overall (2002): #189,869 of 266,432Top 75%

1 Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6446530	Ratchet wrench	—	2002-09-10