Chang; Yang Jack
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chang; Yang Jack.The latest application filed is for "loudspeaker".
- Chang; Yang Jack - New Territories N/A HK
| Patent | Date |
|---|---|
| Loudspeaker Grant D687,412 - Davies , et al. August 6, 2 | 2013-08-06 |
| Loudspeaker Grant D678,866 - Davies , et al. March 26, 2 | 2013-03-26 |
| Loudspeaker Grant D678,245 - Davies , et al. March 19, 2 | 2013-03-19 |
| Loudspeaker Grant D676,025 - Davies , et al. February 12, 2 | 2013-02-12 |
| Loudspeaker Grant D674,780 - Davies , et al. January 22, 2 | 2013-01-22 |
| Loudspeaker Grant D673,527 - Davies , et al. January 1, 2 | 2013-01-01 |
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