Yan; Li-Lan
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yan; Li-Lan.The latest application filed is for "wheel seat reinforcement structure".
- Yan; Li-Lan - Puzih City TW
- YAN; LI-LAN - CHIAYI COUNTY TW
| Patent | Date |
|---|---|
| Wheel seat reinforcement structure App 20110083298 - Yan; Li-Lan | 2011-04-14 |
| Electricity conducting wheel structure Grant 7,889,478 - Yan February 15, 2 | 2011-02-15 |
| Electricity-conducting wheel structure App 20100199458 - Yan; Li-Lan | 2010-08-12 |
| Electricity conducting wheel Structure App 20100188792 - Yan; Li-Lan | 2010-07-29 |
| Wheel structure Grant 7,698,780 - Yan April 20, 2 | 2010-04-20 |
| Wheel structure with a central control Grant 7,614,115 - Yan November 10, 2 | 2009-11-10 |
| Electricity-conducting roller structure Grant 7,499,256 - Yan March 3, 2 | 2009-03-03 |
| Wheel Structure App 20090038113 - YAN; LI-LAN | 2009-02-12 |
| Wheel structure with a central control App 20090031533 - Yan; Li-Lan | 2009-02-05 |
| Electricity conducting wheel structure App 20080266744 - Yan; Li-Lan | 2008-10-30 |
| Wheel supporter with a brake App 20060254867 - Yan; Li-Lan | 2006-11-16 |
| Structure of a connecting shaft mechanism of a caster assembly Grant 7,134,167 - Yan November 14, 2 | 2006-11-14 |
| Structure of a shock absorbing caster App 20060117524 - Yan; Li-Lan | 2006-06-08 |
| Structure of a connecting shaft mechanism of a caster assembly App 20050285441 - Yan, Li-Lan | 2005-12-29 |
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