loadpatents
Patent applications and USPTO patent grants for Chen; Xiaodian.The latest application filed is for "encryption keyboard".
Patent | Date |
---|---|
Self-locking type shutter device Grant 8,839,940 - Guan , et al. September 23, 2 | 2014-09-23 |
Cash box provided with self-locking mechanism Grant 8,820,622 - Chen , et al. September 2, 2 | 2014-09-02 |
Dust-proof keyboard Grant 8,816,227 - He , et al. August 26, 2 | 2014-08-26 |
Encryption keyboard Grant 8,772,653 - He , et al. July 8, 2 | 2014-07-08 |
Financial self-help service device for preventing plugging by foreign objects and damage by mucilage glue Grant 8,459,437 - Guan , et al. June 11, 2 | 2013-06-11 |
Encryption Keyboard App 20120193207 - He; Jing ;   et al. | 2012-08-02 |
Financial Self-help Service Device For Preventing Plugging By Foreign Objects And Damage By Mucilage Glue App 20120192770 - Guan; Zeyan ;   et al. | 2012-08-02 |
Self-locking Type Shutter Device App 20120192771 - Guan; Zeyan ;   et al. | 2012-08-02 |
Dust-proof Keyboard App 20120097513 - He; Jing ;   et al. | 2012-04-26 |
Cash Box Provided With Self-locking Mechanism App 20120037052 - Chen; Xiaodian ;   et al. | 2012-02-16 |
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