Patent Assignment Details
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Reel/Frame: | 004404/0818 | |
| Pages: | 6 |
| | Recorded: | 05/20/1985 | | |
Conveyance: | LICENSE (SEE DOCUMENT FOR DETAILS). SUBJECT TO LICENSE RECITED |
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Total properties:
7
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Patent #:
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Issue Dt:
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04/06/1976
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Application #:
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05440830
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Filing Dt:
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02/08/1974
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Title:
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TELEPHONE EXTENSION SYSTEM UTILIZING POWER LINE CARRIER SIGNALS
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Patent #:
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Issue Dt:
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11/15/1977
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Application #:
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05674557
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Filing Dt:
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04/07/1976
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Title:
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REMOTE SIGNALLING TO A TELEPHONE LINE UTILIZING POWER LINE CARRIER SIG NALS
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Patent #:
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Issue Dt:
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10/23/1984
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Application #:
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06363063
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Filing Dt:
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03/29/1982
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Title:
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TELEPHONE EXTENSION SYSTEM UTILIZING POWER LINE CARRIER SIGNALS
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Patent #:
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Issue Dt:
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04/30/1985
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Application #:
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06430762
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Filing Dt:
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09/30/1982
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Title:
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POWER LINE CARRIER TELEPHONE EXTENSION SYSTEM FOR FULL DUPLEX CONFERENCING BETWEEN TELEPHONES AND HAVING TELEPHONE CALL HOLD CAPABILITY
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Patent #:
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Issue Dt:
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10/02/1984
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Application #:
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06431400
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Filing Dt:
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09/30/1982
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Title:
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POWER LINE CARRIER MULTI TELEPHONE EXTENSION SYSTEM FOR FULL DUPLEX CONFERENCING BETWEEN TELEPHONES
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Patent #:
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Issue Dt:
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06/11/1985
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Application #:
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06445499
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Filing Dt:
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11/30/1982
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Title:
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POWER LINE CARRIER MULTI TELEPHONE EXTENSION SYSTEM FOR FULL DUPLEX CONFERENCING AND INTERCOM BETWEEN TELEPHONES
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Patent #:
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Issue Dt:
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01/22/1985
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Application #:
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06549598
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Filing Dt:
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11/07/1983
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Title:
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TELEPHONE EXTENSION SYSTEM UTILIZING POWER LINE CARRIER SIGNALS
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Correspondence name and address
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TESTA, HURWITZ & THIBEAULT
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SIXTY STATE STREET
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BOSTON MA 02109
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