Sen-Yang Chen

Follow

Person

Kaohsiung City, TW

People

Patents Grantslast 30 patents

Information Patent Grant
Screw driving gun with a screw orientation guide member
- Patent number 6,138,536
- Issue date Oct 31, 2000
- Sen-Yang Chen
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

Information Patent Application
Thread-rolling machine with rotatable rolling plates
- Publication number 20030066326
- Publication date Apr 10, 2003
- Sen-Yang Chen
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...