Yang; Zheng Qing
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yang; Zheng Qing.The latest application filed is for "hair roller heater".
- Yang; Zheng Qing - Sheung Wan HK
- Yang; Zheng Qing - Kwung Tong HK
- Yang; Zheng Qing - Na Sha Pan Yu Guang Dong Province CN
- Yang; Zheng Qing - Kowloon HK
| Patent | Date |
|---|---|
| Hair Roller Heater App 20100065544 - Yang; Zheng Qing | 2010-03-18 |
| Hair Removal Device App 20090240260 - Yang; Zheng Qing ; et al. | 2009-09-24 |
| Electromagnetic water heater Grant 6,674,055 - Zhang , et al. January 6, 2 | 2004-01-06 |
| Electromagnetic water heater App 20030080115 - Zhang, Shou Jun ; et al. | 2003-05-01 |
| Heat treatment apparatus and method of using same Grant 6,441,348 - Yang , et al. August 27, 2 | 2002-08-27 |
| Heat Treatment Apparatus And Method Of Using Same App 20020088791 - Yang, Zheng Qing ; et al. | 2002-07-11 |
| Heated roller and heated roller assembly Grant 6,310,322 - Yang , et al. October 30, 2 | 2001-10-30 |
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