Shenzhen Qianhai Headfree Tech. Co., Ltd.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Shenzhen Qianhai Headfree Tech. Co., Ltd..The latest application filed is for "wireless rechargeable audio device".
- Shenzhen Qianhai Headfree Tech. Co., Ltd. - Shenzhen N/A CN
- Shenzhen Qianhai headfree Tech Co., Ltd - Shenzhen CN
| Patent | Date |
|---|---|
| Wireless rechargeable audio device Grant D789,906 - Zhang June 20, 2 | 2017-06-20 |
| Wireless charging transmitter Grant D782,976 - Zhang April 4, 2 | 2017-04-04 |
| Wireless charging transmitter Grant D782,977 - Zhang April 4, 2 | 2017-04-04 |
| Wireless charging transmitter Grant D782,415 - Zhang March 28, 2 | 2017-03-28 |
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