CW

Chin-Tu Wu

Overall (All Time): #1,049,889 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6006571 Chamfering device for spring-making machines 1999-12-28
5860308 Auxiliary bending device for a spring-making machine 1999-01-19
5791184 Spring-making machine 1998-08-11
5415208 Auxiliary spring bending machine 1995-05-16
4947670 Universal automatic spring-making machine 1990-08-14