MA; Tien-Chi
Patent Applications and Registrations
Patent applications and USPTO patent grants for MA; Tien-Chi.The latest application filed is for "portable electronic device having a cam mechanism for plug extension and retraction".
- MA; Tien-Chi - New Taipei City TW
- Ma; Tien-Chi - New Taipei N/A TW
- Ma; Tien-Chi - Taipei TW
- Ma; Tien-Chi - Taipei City TW
- Ma; Tien-Chi - Zhongshan District Taipei City TW
| Patent | Date |
|---|---|
| Portable Electronic Device Having A Cam Mechanism For Plug Extension And Retraction App 20130052845 - MA; Tien-Chi | 2013-02-28 |
| Portable electronic device having a cam mechanism for plug extension and retraction Grant 8,382,495 - Ma February 26, 2 | 2013-02-26 |
| Flash drive Grant D670,711 - Ma November 13, 2 | 2012-11-13 |
| Computer peripheral device with a pin exerting a force to extend or retract a connector Grant 8,246,362 - Ma August 21, 2 | 2012-08-21 |
| Computer Peripheral Device App 20100304586 - Ma; Tien-Chi | 2010-12-02 |
| Flash drive Grant D622,278 - Ma August 24, 2 | 2010-08-24 |
| Flash drive Grant D622,279 - Ma August 24, 2 | 2010-08-24 |
| Computer peripheral device with a movable protective shelter body Grant 7,749,001 - Ma July 6, 2 | 2010-07-06 |
| Flash drive Grant D610,157 - Ma February 16, 2 | 2010-02-16 |
| Computer peripheral device App 20090227144 - Ma; Tien-Chi | 2009-09-10 |
| Flash drive Grant D594,871 - Ma June 23, 2 | 2009-06-23 |
| Connecting structure for a multiple-strand jewelry Grant 6,880,363 - Ma April 19, 2 | 2005-04-19 |
| Connecting structure for a multiple-strand jewelry App 20040194502 - Ma, Tien-Chi | 2004-10-07 |
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