SC

Shin-Fa Chang

NP Nan Ya Plastics: 2 patents #58 of 139Top 45%
Overall (All Time): #2,201,761 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6557227 Hard pipe cutting equipment — 2003-05-06
6195866 Method for making an extruder sleeve — 2001-03-06