Yao; Wen-Tao
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yao; Wen-Tao.The latest application filed is for "led filament bulb".
- Yao; Wen-Tao - Zhejiang CN
| Patent | Date |
|---|---|
| LED filament bulb Grant D807,537 - Yao January 9, 2 | 2018-01-09 |
| Portion of a LED light bulb Grant D801,556 - Yao October 31, 2 | 2017-10-31 |
| LED single twin-tube light bulb Grant D800,358 - Yao , et al. October 17, 2 | 2017-10-17 |
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