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Periodic and automatic telephone redialling system and method

Telephonic communications – Supervisory or control line signaling – Substation originated
Reexamination Certificate

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Phase accumulation dual tone multiple frequency generator

Telephonic communications – Supervisory or control line signaling – Substation originated
Patent

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Phone apparatus having redialing function capable of surely...

Telephonic communications – Supervisory or control line signaling – Substation originated
Reexamination Certificate

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Phone number database for a phone

Telephonic communications – Supervisory or control line signaling – Substation originated
Reexamination Certificate

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Photo screen scroll graphic user interface

Telephonic communications – Supervisory or control line signaling – Substation originated
Patent

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Portable automated dialer with tone completion indicator

Telephonic communications – Supervisory or control line signaling – Substation originated
Patent

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Portable automatic dialing unit

Telephonic communications – Supervisory or control line signaling – Substation originated
Patent

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Portable telephone

Telephonic communications – Supervisory or control line signaling – Substation originated
Reexamination Certificate

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Portable telephone and character input method

Telephonic communications – Supervisory or control line signaling – Substation originated
Reexamination Certificate

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Portable telephone set housing having an illuminated switch pane

Telephonic communications – Supervisory or control line signaling – Substation originated
Patent

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Portable telephone terminal with toll number retrieval function

Telephonic communications – Supervisory or control line signaling – Substation originated
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Power supply system including ringing voltage reset under low in

Telephonic communications – Supervisory or control line signaling – Substation originated
Patent

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Preprogrammed autodialer and related process

Telephonic communications – Supervisory or control line signaling – Substation originated
Patent

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Process for transmitting a telephone number of a desired...

Telephonic communications – Supervisory or control line signaling – Substation originated
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Programmable dialer system

Telephonic communications – Supervisory or control line signaling – Substation originated
Patent

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Programmable dialler for a mobile telephone

Telephonic communications – Supervisory or control line signaling – Substation originated
Patent

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Pulse dialing system for VoIP modem

Telephonic communications – Supervisory or control line signaling – Substation originated
Reexamination Certificate

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Push-button telephone dialing device with telephone hold functio

Telephonic communications – Supervisory or control line signaling – Substation originated
Patent

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