TC

Tzu Sang Chan

HC H. S. Machinery Co.: 5 patents #1 of 1Top 100%
📍 New Taipei, TW: #2,669 of 10,472 inventorsTop 30%
Overall (All Time): #965,382 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
11050311 Drive apparatus for sewing machines — 2021-06-29
D923459 Motor bracket of sewing machine — 2021-06-29
10731281 Heat dissipation apparatus for sewing machines — 2020-08-04
D891474 Motor housing — 2020-07-28
D881951 Motor of sewing machine — 2020-04-21