Ng; Wing Yiu
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ng; Wing Yiu.The latest application filed is for "ring binder mechanism".
- Ng; Wing Yiu - Hong Kong CN
- Ng; Wing Yiu - Sai Wan Ho HK
| Patent | Date |
|---|---|
| Ring binder mechanism Grant 10,532,599 - Ng , et al. Ja | 2020-01-14 |
| Ring binder mechanism Grant 10,532,598 - Ng , et al. Ja | 2020-01-14 |
| Ring Binder Mechanism App 20170203603 - Ng; Wing Yiu ; et al. | 2017-07-20 |
| Ring Binder Mechanism App 20150246572 - Ng; Wing Yiu ; et al. | 2015-09-03 |
| Ring binder mechanism Grant 9,044,994 - Ng , et al. June 2, 2 | 2015-06-02 |
| Ring Binder Mechanism App 20120230755 - Ng; Wing Yiu ; et al. | 2012-09-13 |
| Ring binder mechanism Grant 8,186,899 - Ng , et al. May 29, 2 | 2012-05-29 |
| Ring binder mechanism Grant 8,052,343 - Zhang , et al. November 8, 2 | 2011-11-08 |
| Ring Binder Mechanism App 20100232867 - Ng; Wing Yiu ; et al. | 2010-09-16 |
| Ring binder mechanism Grant 7,731,441 - Ng , et al. June 8, 2 | 2010-06-08 |
| Soft close ring binder mechanism with reinforced travel bar Grant 7,661,898 - Ng , et al. February 16, 2 | 2010-02-16 |
| Ring binder mechanism Grant 7,648,302 - Zhang , et al. January 19, 2 | 2010-01-19 |
| Ring Binder Mechanism App 20090274508 - Zhang; Ze Yu ; et al. | 2009-11-05 |
| Ring binder mechanism having slide connector Grant 7,513,708 - Cheng , et al. April 7, 2 | 2009-04-07 |
| Ring Binder Mechanism App 20080124166 - Zhang; Ze Yu ; et al. | 2008-05-29 |
| Ring Binder Mechanism Having Plastic Housing App 20080085145 - To; Chun Yuen ; et al. | 2008-04-10 |
| Ring Binder Mechanism App 20080075526 - Ng; Wing Yiu ; et al. | 2008-03-27 |
| Fastening system for a ring binder mechanism App 20070048071 - Li; Shan Jun ; et al. | 2007-03-01 |
| Ring binder mechanism having slide connector App 20070048075 - Cheng; Hung Yu ; et al. | 2007-03-01 |
| Ring binder having a clip App 20070048079 - Ng; Wing Yiu | 2007-03-01 |
| Ring binder mechanism with reinforced hinge plates App 20060008318 - Ng; Wing Yiu | 2006-01-12 |
| Soft Close Ring Binder Mechanism With Reinforced Travel Bar App 20050214064 - Ng, Wing Yiu ; et al. | 2005-09-29 |
| Soft close ring binder mechanism with reinforced travel bar App 20050201820 - Ng, Wing Yiu ; et al. | 2005-09-15 |
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