Hai Zhan Lao

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GUANG DONG PROVINCE, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for manufacturing magnetic drawing board
- Patent number 9,095,939
- Issue date Aug 4, 2015
- Earth Magnets MFG. (Kai Ping) Co., Ltd.
- Ching Chi Mok
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus for manufacturing magnetic drawing board
- Publication number 20150033536
- Publication date Feb 5, 2015
- Ching Chi Mok
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR