Zi Ming Zeng

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Shenzhen, CN

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Patents Grantslast 30 patents

Information Patent Grant
Localized surface volatilization
- Patent number 7,167,641
- Issue date Jan 23, 2007
- S. C. Johnson & Son, Inc.
- Kelvin Tam
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
Localized surface volatilization
- Publication number 20050175331
- Publication date Aug 11, 2005
- Kelvin Tam
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING