Patent Assignment Details
NOTE:Results display only for issued patents and published applications.
For pending or abandoned applications please consult USPTO staff.
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| Reel/Frame: | 052448/0096 | |
| Pages: | 2 |
| | Recorded: | 04/20/2020 | | |
| Attorney Dkt #: | T00519 |
| Conveyance: | CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). |
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Total properties:
2
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Patent #:
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Issue Dt:
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04/29/2008
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Application #:
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10669438
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Filing Dt:
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09/25/2003
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Publication #:
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Pub Dt:
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03/31/2005
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Title:
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DTMF LOCKOUT UTILITY USING EPOCH TIME STAMP
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Patent #:
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Issue Dt:
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12/13/2011
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Application #:
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12044433
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Filing Dt:
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03/07/2008
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Publication #:
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Pub Dt:
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06/26/2008
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Title:
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DTMF LOCKOUT UTILITY USING EPOCH TIME STAMP
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Assignee
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| 754 PEACHTREE STREET, SUITE 7C |
| ATLANTA, GEORGIA 30308 |
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Correspondence name and address
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AT&T LEGAL DEPARTMENT
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ONE AT&T WAY
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ROOM 2A-212
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BEDMINSTER, NJ 07921
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