DUCKYCHANNEL INTERNATIONAL CO, LTD.
Patent Applications and Registrations
Patent applications and USPTO patent grants for DUCKYCHANNEL INTERNATIONAL CO, LTD..The latest application filed is for "light emitting keyboard".
- DUCKYCHANNEL INTERNATIONAL CO, LTD. - Taipei TW
- DUCKYCHANNEL INTERNATIONAL CO., LTD. - Taipei City TW
Trademarks
| Patent | Date |
|---|---|
| Light emitting keyboard Grant 10,037,857 - Chao July 31, 2 | 2018-07-31 |
| Light Emitting Keyboard App 20170076883 - Chao; Shih-Chuan | 2017-03-16 |
| Light Emitting Keyboard App 20170076884 - Chao; Shih-Chuan | 2017-03-16 |
| Speed adjustable USB keyboard Grant 9,176,595 - Chao November 3, 2 | 2015-11-03 |
| Keyboard supporting N-key rollover Grant 8,756,354 - Chao June 17, 2 | 2014-06-17 |
| Speed Adjustable Usb Keyboard App 20140139437 - Chao; Shih-Chuan | 2014-05-22 |
| Light Emitting Keyboard App 20140092022 - Chao; Shih-Chuan | 2014-04-03 |
| Light Emitting Keyboard App 20140076703 - Chao; Shih-Chuan | 2014-03-20 |
| Keyboard Supporting N-key Rollover App 20130060976 - Chao; Shih Chuan | 2013-03-07 |
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