Tsui; Chi-Wah
Patent Applications and Registrations
Patent applications and USPTO patent grants for Tsui; Chi-Wah.The latest application filed is for "combined wringer and bucket mop handle holder".
- Tsui; Chi-Wah -
- Tsui; Chi-wah - Fotan Shatin HK
- Tsui; Chi-Wah - New Territories HK
- Tsui; Chi Wah - Hong Kong CN
| Patent | Date |
|---|---|
| Combined wringer and bucket mop handle holder Grant D613,921 - Tsui , et al. April 13, 2 | 2010-04-13 |
| Fabric and plastic materials four sided warning sign Grant D598,798 - Tsui August 25, 2 | 2009-08-25 |
| Flashing light for warning sign Grant D571,682 - Tsui June 24, 2 | 2008-06-24 |
| Party clip Grant D560,981 - Tsui , et al. February 5, 2 | 2008-02-05 |
| Pail for squeezing water from a mop Grant 6,487,749 - Tsui December 3, 2 | 2002-12-03 |
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