Liangtian Wang

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Shenzhen City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Interface card and CTI system applying interface card
- Patent number 7,746,850
- Issue date Jun 29, 2010
- Shenzhen Donjin Communication Tech Co., Ltd.
- Yongkun Liao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Interface Card and Cti System Applying Interface Cards
- Publication number 20080133805
- Publication date Jun 5, 2008
- Shenzhen Donjin Communication Tech Co., Ltd.
- Yongkun Liao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE