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Alarm method and device

Telephonic communications – Emergency or alarm communications – With automatic dialing or transmission of recorded audio...
Reexamination Certificate

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Audio/telephone communication system for verbally handicapped

Telephonic communications – Emergency or alarm communications – With automatic dialing or transmission of recorded audio...
Patent

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Communications system

Telephonic communications – Emergency or alarm communications – With automatic dialing or transmission of recorded audio...
Reexamination Certificate

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Control panel with DSL bypass circuit

Telephonic communications – Emergency or alarm communications – With automatic dialing or transmission of recorded audio...
Reexamination Certificate

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Emergency telecommunication device

Telephonic communications – Emergency or alarm communications – With automatic dialing or transmission of recorded audio...
Patent

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Interactive hospitality system

Telephonic communications – Emergency or alarm communications – With automatic dialing or transmission of recorded audio...
Reexamination Certificate

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Method and apparatus for transmission of telephone calls to a po

Telephonic communications – Emergency or alarm communications – With automatic dialing or transmission of recorded audio...
Patent

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Paging system that allows caller/subscriber interconnection

Telephonic communications – Emergency or alarm communications – With automatic dialing or transmission of recorded audio...
Patent

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Systems and methods for integrating telephone and security devic

Telephonic communications – Emergency or alarm communications – With automatic dialing or transmission of recorded audio...
Patent

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Telephone answering device with artificial intelligence

Telephonic communications – Emergency or alarm communications – With automatic dialing or transmission of recorded audio...
Patent

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Telephone with built-in emergency panic switch, long distance to

Telephonic communications – Emergency or alarm communications – With automatic dialing or transmission of recorded audio...
Patent

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