Liu; Songying
Patent Applications and Registrations
Patent applications and USPTO patent grants for Liu; Songying.The latest application filed is for "wireless earphone for sports".
- Liu; Songying - Ganzhou N/A CN
| Patent | Date |
|---|---|
| Wireless earphone for sports Grant D805,054 - Liu December 12, 2 | 2017-12-12 |
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