Patent applications and USPTO patent grants for Park; Jung Woong.The latest application filed is for "card having password input key".
Patent | Date |
---|---|
Card Having Password Input Key App 20080099556 - Park; Jung Woong | 2008-05-01 |
Card equipped with secret number input keys and the method of activating the same App 20040034782 - Park, Jung Woong | 2004-02-19 |
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