SW

Shui-Nu Wang

Overall (All Time): #590,242 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
5738028 Differential feeding device for sewing machine 1998-04-14
5156105 Thread tension adjusting device for a sewing machine 1992-10-20
5131337 Presser of a sewing machine 1992-07-21
5129341 Retaining device for a cover of a sewing machine 1992-07-14
5129338 Adjusting device for a lower knife of a sewing machine 1992-07-14
5103751 Differential feeding apparatus for a sewing machine 1992-04-14
5090344 Presser of a sewing machine 1992-02-25
5076181 Threading apparatus for a lower looper of an overlock sewing machine 1991-12-31
5069152 Differential feeding apparatus for a sewing machine 1991-12-03