Kuanfei XU

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Patents Grantslast 30 patents

Information Patent Grant
Multifunctional pen
- Patent number 9,796,208
- Issue date Oct 24, 2017
- TONGLU JINBANG PEN INDUSTRY CO., LTD.
- Kuanfei Xu
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

Information Patent Application
MULTIFUNCTIONAL PEN
- Publication number 20160297233
- Publication date Oct 13, 2016
- Tonglu Jinbang Pen Industry Co., Ltd.
- Kuanfei XU
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES