Chi; Wen-Yao
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chi; Wen-Yao.The latest application filed is for "toolbox for holding power hand tool and accessories thereof".
- Chi; Wen-Yao - Taichung TW
- Chi; Wen-Yao - Taichung County TW
- Chi, Wen Yao - Feng Yuan City TW
| Patent | Date |
|---|---|
| Top cover of battery box Grant D856,921 - Lee , et al. A | 2019-08-20 |
| Case of power tool Grant D818,334 - Lee , et al. May 22, 2 | 2018-05-22 |
| Battery pack Grant D817,869 - Lee , et al. May 15, 2 | 2018-05-15 |
| Toolbox for holding power hand tool and accessories thereof App 20070158222 - Chi; Wen-Yao | 2007-07-12 |
| Power tool Grant D532,666 - Chi November 28, 2 | 2006-11-28 |
| Battery for power tool Grant D528,975 - Chi , et al. September 26, 2 | 2006-09-26 |
| Carbon brush assembly for electric tool App 20020125786 - Chi, Wen Yao | 2002-09-12 |
| Grinding wheel replacement safety structure for handheld grinding wheel device App 20020123301 - Chi, Wen Yao | 2002-09-05 |
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