Biao Zheng

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Shijiazhuang, Hebei, CN

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Patents Grantslast 30 patents

Information Patent Grant
Cigarette lighter with security arrangement
- Patent number 6,146,128
- Issue date Nov 14, 2000
- Xin Feng
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Cigarette lighter with security arrangement
- Patent number 6,142,768
- Issue date Nov 7, 2000
- Xin Feng
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES