Barry Chang

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Taichung, TW

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Patents Grantslast 30 patents

Information Patent Grant
Sawdust removing device for a band saw machine
- Patent number 6,865,974
- Issue date Mar 15, 2005
- WMH Tool Group Hong Kong Limited
- Barry Chang
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Sawdust removing device for a band saw machine
- Publication number 20040112193
- Publication date Jun 17, 2004
- WMH TOOL GROUP HONG KONG LIMITED
- Barry Chang
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR