Liu; Chen-Duo
Patent Applications and Registrations
Patent applications and USPTO patent grants for Liu; Chen-Duo.The latest application filed is for "game system and method capable of changing symbols with shown super symbol".
- Liu; Chen-Duo - Taichung City TW
- Liu; Chen-Duo - Taipei Hsien TW
| Patent | Date |
|---|---|
| Game System And Method Capable Of Changing Symbols With Shown Super Symbol App 20100048279 - Liu; Chen-Duo ; et al. | 2010-02-25 |
| Handwriting pen capable of simulating different strokes Grant 7,310,091 - Liu , et al. December 18, 2 | 2007-12-18 |
| Handwriting pen capable of simulating different strokes App 20050057535 - Liu, Chen-Duo ; et al. | 2005-03-17 |
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