Xianghong Wang

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Ningbo, CN

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Patents Grantslast 30 patents

Information Patent Grant
Pen-barrel heat transferring device
- Patent number 8,917,297
- Issue date Dec 23, 2014
- Beifa Group Co., Ltd.
- Cailiang Dong
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
PEN-BARREL HEAT TRANSFERRING DEVICE
- Publication number 20130169730
- Publication date Jul 4, 2013
- BEIFA GROUP CO., LTD.
- Cailiang Dong
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES