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Patent applications and USPTO patent grants for Chin; Mary W..The latest application filed is for "emergency intersystem paging for emergency call back".
Patent | Date |
---|---|
Emergency intersystem paging for emergency call back Grant 7,565,130 - Chin , et al. July 21, 2 | 2009-07-21 |
Method of recognizing fraudulent wireless emergency service calls Grant 7,302,250 - Chin , et al. November 27, 2 | 2007-11-27 |
Emergency call back method applicable to non-coded mobile stations App 20040203574 - Chin, Mary W. ;   et al. | 2004-10-14 |
Emergency intersystem paging for emergency call back App 20040203573 - Chin, Mary W. ;   et al. | 2004-10-14 |
Method of recognizing fraudulent wireless emergency service calls App 20040203575 - Chin, Mary W. ;   et al. | 2004-10-14 |
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