TC

Tseng Hsien Chang

Overall (2005): #15,273 of 245,428Top 7%
3
Patents 2005

Issued Patents 2005

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6957616 Restoring device of tension adjusting device for sewing machines — 2005-10-25
6892658 Sewing machine — 2005-05-17
6843189 Sewing machine having a thread tension adjusting device — 2005-01-18