Qing; Wu Feng
Patent Applications and Registrations
Patent applications and USPTO patent grants for Qing; Wu Feng.The latest application filed is for "storm door with a lift-up lock case mortise and method of use".
- Qing; Wu Feng - Chong Xing Town CN
- Qing; Wu Feng - Chong Xing Town Guang Doang CN
| Patent | Date |
|---|---|
| Storm door with a lift-up lock case mortise and method of use Grant 7,350,555 - Qing April 1, 2 | 2008-04-01 |
| Storm door mortise lock that prevents lockout Grant 7,213,426 - Qing May 8, 2 | 2007-05-08 |
| Door closer with pre-set stops Grant 7,134,168 - Qing November 14, 2 | 2006-11-14 |
| Storm door push or turn lock method of using same Grant 7,055,873 - Qing June 6, 2 | 2006-06-06 |
| Storm door with a lift-up lock case mortise and method of use App 20050099023 - Qing, Wu Feng | 2005-05-12 |
| Storm door mortise lock that prevents lockout App 20050092041 - Qing, Wu Feng | 2005-05-05 |
| Storm door push or turn lock and method of using same App 20040070216 - Qing, Wu Feng | 2004-04-15 |
| Contoured push button handle for a storm door Grant D481,923 - Char , et al. November 11, 2 | 2003-11-11 |
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