Wu; Lai Ha
Patent Applications and Registrations
Patent applications and USPTO patent grants for Wu; Lai Ha.The latest application filed is for "collapsible structure".
- Wu; Lai Ha - Hong Kong CN
- Wu; Lai-ha - Sheung Wan HK
| Patent | Date |
|---|---|
| Collapsible structure Grant 7,552,739 - Chu , et al. June 30, 2 | 2009-06-30 |
| Collapsible structure Grant 7,357,140 - Chu , et al. April 15, 2 | 2008-04-15 |
| Pop up collapsible structures Grant 7,252,107 - Chu , et al. August 7, 2 | 2007-08-07 |
| Collapsible structure App 20070079858 - Chu; Wan Sing ; et al. | 2007-04-12 |
| Collapsible structure App 20070006910 - Chu; Wan-Sing ; et al. | 2007-01-11 |
| Pop up collapsible structures App 20060070648 - Chu; Wan-sing ; et al. | 2006-04-06 |
| Collapsible structure App 20050217713 - Chu, Wan-Sing ; et al. | 2005-10-06 |
| Pop up collapsible structures App 20040187903 - Chu, Wan-sing ; et al. | 2004-09-30 |
| Convertible play structure Grant 6,782,905 - Chu , et al. August 31, 2 | 2004-08-31 |
| Convertible play structure App 20030196690 - Chu, Wan-sing ; et al. | 2003-10-23 |
| Foldable playhouse Grant D429,307 - Wu , et al. August 8, 2 | 2000-08-08 |
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