DREAM SONIC TECHNOLOGY LIMITED
Patent Applications and Registrations
Patent applications and USPTO patent grants for DREAM SONIC TECHNOLOGY LIMITED.The latest application filed is for "medium/low band sound reinforcement film-type audio-speaker using piezoelectric film as vibration element".
- DREAM SONIC TECHNOLOGY LIMITED - Hong Kong CN
- DREAM SONIC TECHNOLOGY LIMITED - Mongkok Kowloon HK
| Patent | Date |
|---|---|
| Medium/Low Band Sound Reinforcement Film-Type Audio-Speaker Using Piezoelectric Film as Vibration Element App 20090245546 - Youn; Ju Seon ; et al. | 2009-10-01 |
| Contact Structure of a Film-Type Audio-Speaker App 20080317266 - Youn; Ju Seon ; et al. | 2008-12-25 |
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