Derek WANG

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Dongguan City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method for improving automobile exhaust
- Patent number 10,145,282
- Issue date Dec 4, 2018
- DONGGUAN CITY MAO SHENG ELECTRONIC ENTERPRISES CO., LTD
- Derek Wang
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
Method for Improving Automobile Exhaust
- Publication number 20170211447
- Publication date Jul 27, 2017
- DONGGUAN CITY MAOSHENG ELECTRONICS INDUSTRIES CO., LTD
- Derek WANG
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...