Huakun Chen

Follow

Person

Hefei City, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Front cover of target frame of dartboard
- Patent number 7,469,904
- Issue date Dec 30, 2008
- Hefei Holding Sports Equipment Co., Ltd.
- Huakun Chen
- F41 - WEAPONS

Patents Applicationslast 30 patents

Information Patent Application
Front Cover Of Target Frame Of Dartboard
- Publication number 20080084029
- Publication date Apr 10, 2008
- Hefei Hualong Sports Equipment Co., Ltd.
- Huakun Chen
- F41 - WEAPONS
Information Patent Application
Sisal Target Block of Dartboard and Its Fabrication Process
- Publication number 20070296152
- Publication date Dec 27, 2007
- Hefei Hualong Sports Equipment Co., Ltd.
- Huakun Chen
- F41 - WEAPONS