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Euiri Chang

Portland, OR: #6,022 of 9,213 inventorsTop 70%

Oregon: #17,068 of 28,073 inventorsTop 65%

Overall (All Time): #3,691,288 of 4,157,543Top 90%

1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5785351	Traction device for wheeled vehicle	Keun I. Chang	1998-07-28