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Hsien-Chang Tseng — 3 Patents in 1997

Taichung, CO: #1 of 1 inventorsTop 100%

Overall (1997): #15,489 of 185,788Top 9%

3 Patents 1997

Issued Patents 1997

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
5664509	Looper driving assembly for a sewing machine	—	1997-09-09
5651287	Shaft coupling mechanism for a sewing machine	—	1997-07-29
D377357	Overlock sewing machine	—	1997-01-14