GUAN; XIAO-CHENG
Patent Applications and Registrations
Patent applications and USPTO patent grants for GUAN; XIAO-CHENG.The latest application filed is for "apparatus and method for playback test of an audio device".
- GUAN; XIAO-CHENG - Shenzhen CN
| Patent | Date |
|---|---|
| Apparatus And Method For Playback Test Of An Audio Device App 20080144847 - CHEN; AI-MIN ; et al. | 2008-06-19 |
| Apparatus And Method For Playback Test App 20080133036 - CHEN; AI-MIN ; et al. | 2008-06-05 |
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