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Patent applications and USPTO patent grants for Pi; Jin Biao.The latest application filed is for "ring binder mechanism".
Patent | Date |
---|---|
Ring binder mechanism Grant 9,688,091 - To , et al. June 27, 2 | 2017-06-27 |
Ring binder mechanism with polymeric housing Grant 7,950,866 - To , et al. May 31, 2 | 2011-05-31 |
Ring Binder Mechanism App 20100284729 - To; Chun Yuen ;   et al. | 2010-11-11 |
Ring binder mechanism Grant 7,819,602 - To , et al. October 26, 2 | 2010-10-26 |
Ring Binder Mechanism App 20090110469 - To; Chun Yuen ;   et al. | 2009-04-30 |
Ring Binder Mechanism With Polymeric Housing App 20090060630 - To; Chun Yuen ;   et al. | 2009-03-05 |
Ring Binder Mechanism With Polymeric Housing And Travel Bar App 20090060631 - To; Chun Yuen ;   et al. | 2009-03-05 |
Ring Binder Mechanism with Plastic Housing and Locking Structure App 20090035053 - Pi; Jin Biao ;   et al. | 2009-02-05 |
Ring Binder Mechanism Having Plastic Housing App 20080085145 - To; Chun Yuen ;   et al. | 2008-04-10 |
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