Ji; Chang-hwan
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ji; Chang-hwan.The latest application filed is for "apparatus for inspecting magazine including stopper".
- Ji; Chang-hwan - Cheonan-si KR
- Ji; Chang Hwan - Seoul KR
| Patent | Date |
|---|---|
| Apparatus for inspecting magazine including stopper Grant 9,562,816 - Ji , et al. February 7, 2 | 2017-02-07 |
| Apparatus For Inspecting Magazine Including Stopper App 20150053595 - Ji; Chang-hwan ; et al. | 2015-02-26 |
| Emotional Matching System And Matching Method For Linking Ideal Mates App 20130191393 - Ji; Chang Hwan | 2013-07-25 |
| Apparatus for locking a magazine Grant 8,317,015 - Ji , et al. November 27, 2 | 2012-11-27 |
| Apparatus for Locking a Magazine App 20110042242 - Ji; Chang-Hwan ; et al. | 2011-02-24 |
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