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: | 011122/0316 | |
| Pages: | 11 |
| | Recorded: | 08/07/2000 | | |
| Conveyance: | SECURITY 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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08/25/1987
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Application #:
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06670585
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Filing Dt:
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11/09/1984
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Title:
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DIGITAL TONE DECODER AND METHOD OF DECODING TONES USING LINEAR PREDICTION CODING
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Patent #:
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Issue Dt:
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11/10/1992
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Application #:
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07644934
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Filing Dt:
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01/23/1991
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Title:
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CONFIGURABLE PARAMETER DTMF DETECTOR
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Patent #:
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Issue Dt:
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11/30/1993
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Application #:
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07806763
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Filing Dt:
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12/13/1991
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Title:
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DIGITAL AUTOMATIC GAIN CONTROL WITH LOOKAHEAD, ADAPTIVE NOISE FLOOR SENSING, AND DECAY BOOST INITIALIZATION
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Patent #:
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Issue Dt:
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03/21/1995
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Application #:
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08265697
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Filing Dt:
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06/23/1994
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Title:
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ADAPTIVE ECHO CANCELLER FOR VOICE MESSAGING SYSTEM
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Patent #:
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Issue Dt:
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09/08/1998
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Application #:
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08515574
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Filing Dt:
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08/16/1995
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Title:
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METHOD AND APPARATUS FOR RELIABLE ACCESS TO AUDIO AND FACSIMILE MESSAGE STORAGE AND RETRIEVAL SYSTEM
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Assignee
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| 695 TOWN CENTER DRIVE, SUITE 100 |
| COSTA MESA, CALIFORNIA 92626 |
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Correspondence name and address
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UNISYS CORPORATION
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LISE A. RODE
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UNISYS WAY, MS/E8-114
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BLUE BELL, PA 19424-0001
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