Patent Assignment Details
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For pending or abandoned applications please consult USPTO staff.
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| Reel/Frame: | 010144/0033 | |
| Pages: | 3 |
| | Recorded: | 08/05/1999 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Total properties:
5
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Patent #:
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Issue Dt:
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09/10/1985
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Application #:
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06508256
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Filing Dt:
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06/27/1983
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Title:
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DIGITAL TELECONFERENCING CONTROL DEVICE, SYSTEM AND METHOD
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Patent #:
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Issue Dt:
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07/02/1991
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Application #:
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07490047
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Filing Dt:
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03/06/1990
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Title:
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AUTOMATIC GAIN CONTROL USING ROOT-MEAN-SQUARE CIRCUITRY IN A DIGITAL DOMAIN CONFERENCE BRIDGE FOR A TELEPHONE NETWORK
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Patent #:
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Issue Dt:
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10/01/1991
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Application #:
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07490092
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Filing Dt:
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03/06/1990
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Title:
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CIRCUIT FOR NULLING THE TALKER'S SPEECH IN A CONFERENCE CALL AND METHOD THEREOF
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Patent #:
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Issue Dt:
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07/23/1991
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Application #:
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07490095
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Filing Dt:
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03/06/1990
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Title:
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WHISPER CIRCUIT FOR A CONFERENCE CALL BRIDGE INCLUDING TALKER NULLING AND METHOD THEREFOR
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Patent #:
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Issue Dt:
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11/30/1999
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Application #:
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08825477
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Filing Dt:
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03/28/1997
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Title:
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METHOD AND APPARATUS FOR ON-DEMAND TELECONFERENCING
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Assignee
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| 1499 W. 121ST AVENUE |
| WESTMINSTER, COLORADO 80234 |
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Correspondence name and address
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DORR, CARSON, SLOAN & BIRNEY
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ROBERT C. DORR, ESQ.
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3010 E. 6TH AVENUE
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DENVER, CO 80206
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