Patent Assignment Details
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| Reel/Frame: | 005281/0561 | |
| Pages: | 2 |
| | Recorded: | 04/26/1990 | | |
| Conveyance: | SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). |
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Total properties:
1
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Patent #:
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Issue Dt:
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12/04/1990
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Application #:
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07099388
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Filing Dt:
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09/21/1987
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Title:
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CALL PROCESSOR FOR FACILITATING CALL COMPLETIONS
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Assignee
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| 50 SOUTH LASALLE STREET |
| CHICAGO, ILLINOIS 60675 |
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Correspondence name and address
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GAIL J. BERRITT
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ALTHEIMER & GRAY
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SUITE 4000
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10 SOUTH WACKER DRIVE
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CHICAGO, IL 60606
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