Chun-Jen Chien

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I-Lan Hsien, TW

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Patents Grantslast 30 patents

Information Patent Grant
2-way reinforcement bending machine
- Patent number 7,739,893
- Issue date Jun 22, 2010
- Chun-Jen Chien
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
2-Way reinforcement bending machine
- Publication number 20050268688
- Publication date Dec 8, 2005
- Chun-Jen Chien
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Reciprocal bi-directional table saw
- Publication number 20050268765
- Publication date Dec 8, 2005
- Chun-Jen Chien
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR