Patent Assignment Details
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Reel/Frame: | 009466/0703 | |
| Pages: | 4 |
| | Recorded: | 09/21/1998 | | |
Conveyance: | ASSIGNMENT OF ASSIGNORS 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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07/10/2001
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Application #:
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09122201
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Filing Dt:
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07/24/1998
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Title:
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SYSTEM AND METHOD FOR EFFICIENTLY TRANSPORTING DUAL-TONE MULTI-FREQUENCY/MULTIPLE FREQUENCY (DTMF/MF) TONES IN A TELEPHONE CONNECTION ON A NETWORK-BASED TELEPHONE SYSTEM
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Assignee
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5400 BAYFRONT PLAZA |
SANTA CLARA, CALIFORNIA 95052 |
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Correspondence name and address
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MCDONNELL, BOEHNEN ET AL
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GEORGE I. LEE
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300 SOUTH WACKER DRIVE - 32ND FLOOR
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CHICAGO, IL 60606
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