Liangchun ZHONG

Follow

Person

Guangzhou, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Fully-automatic pencil sharpener
- Patent number 9,669,651
- Issue date Jun 6, 2017
- GuangZhou PanYu Tung Yung Stationery MFY., LTD.
- Liangchun Zhong
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

Information Patent Application
FULLY-AUTOMATIC PENCIL SHARPENER
- Publication number 20150000791
- Publication date Jan 1, 2015
- GuangZhou PanYu Tung Yung Stationery MFY., LTD.
- Liangchun ZHONG
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES