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Yen-Nien Chang

Overall (All Time): #1,543,752 of 4,157,543Top 40%

3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
8480096	Structure of inline skates	—	2013-07-09
4769923	Dryer for drying a product-laden air stream as spirally floated	—	1988-09-13
4770297	Assembling tool-holder set	—	1988-09-13