Tzu-Feng Wang

Follow

Person

Tainan Hsien, TW

People

Patents Grantslast 30 patents

Information Patent Grant
Drive chain and tool device for assembling or disassembling the same
- Patent number 7,797,920
- Issue date Sep 21, 2010
- AMC Chain Industrial Co., Ltd.
- Tzu-Feng Wang
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
Drive chain and tool device for assembling or disassembling the same
- Publication number 20090069136
- Publication date Mar 12, 2009
- AMC Chain Industrial Co., Ltd.
- Tzu-Feng Wang
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...