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: | 005216/0155 | |
| Pages: | 17 |
| | Recorded: | 09/18/1989 | | |
| Conveyance: | SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). |
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Total properties:
6
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Patent #:
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Issue Dt:
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11/05/1974
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Application #:
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05259222
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Filing Dt:
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06/02/1972
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Title:
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TELEPHONE TRUNK SIGNALING LINK CIRCUIT
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Patent #:
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Issue Dt:
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Application #:
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05621422
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Filing Dt:
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Title:
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Patent #:
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Issue Dt:
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09/02/1980
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Application #:
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05739980
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Filing Dt:
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11/08/1976
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Title:
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TELEPHONE LINE ATTENUATOR NETWORK AND ATTENUATOR PAD THEREFOR
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Patent #:
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Issue Dt:
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10/12/1982
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Application #:
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06165072
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Filing Dt:
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07/01/1980
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Title:
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AMPLITUDE EQUALIZER
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Patent #:
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Issue Dt:
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11/14/1989
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Application #:
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07210728
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Filing Dt:
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06/23/1988
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Title:
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METHOD AND APPARATUS FOR DISABLING AN ECHO CANCELLER ON A DIGITAL TELECOMMUNICATIONS NETWORK
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Patent #:
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Issue Dt:
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Application #:
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UNAVAILABLE
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Filing Dt:
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Title:
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Correspondence name and address
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MERCHANT, GOULD, SMITH, ETAL
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3100 NORWEST CENTER
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90 SOUTH SEVENTH STREET
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MINNEAPOLIS, MN 55402
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