LandOfFree - US Patents - Listing for Telephonic communications,Diagnostic testing, malfunction indication, or electrical...,Of trunk or long line

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Method for initiating a telephone call on a remote line

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of trunk or long line

Patent

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Method for optimizing downstream data transfer in an...

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of trunk or long line

Reexamination Certificate

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Method for reducing noise from an asymmetric digital...

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of trunk or long line

Reexamination Certificate

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Method for resolving trouble in a connection having a...

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of trunk or long line

Reexamination Certificate

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Method for testing subscriber line of private automatic...

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of trunk or long line

Reexamination Certificate

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Method for the detection of impedances and for the...

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of trunk or long line

Reexamination Certificate

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Method of detecting remote ground condition

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of trunk or long line

Reexamination Certificate

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Method of detecting remote ground condition

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of trunk or long line

Reexamination Certificate

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Method of determining the physical length of a telephone line

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of trunk or long line

Patent

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Methods for detecting defective communications lines

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of trunk or long line

Reexamination Certificate

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Metrics-related testing of an operational support system...

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of trunk or long line

Reexamination Certificate

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Multiline transmission line test receptacle with provision for t

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of trunk or long line

Patent

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