LandOfFree - US Patents - Listing for Telephonic communications,Supervisory or control line signaling,Substation originated

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Dialing apparatus for power failure extension telephone set of k

Telephonic communications – Supervisory or control line signaling – Substation originated

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Dialing confirmation tone output apparatus

Telephonic communications – Supervisory or control line signaling – Substation originated

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Dialing method in mobile telephone

Telephonic communications – Supervisory or control line signaling – Substation originated

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Dialing method with phone number retrieval using partial...

Telephonic communications – Supervisory or control line signaling – Substation originated

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Dialing tone generator employing low frequency oscillator

Telephonic communications – Supervisory or control line signaling – Substation originated

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Dialler chip mode signal

Telephonic communications – Supervisory or control line signaling – Substation originated

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Digital communication translator

Telephonic communications – Supervisory or control line signaling – Substation originated

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Digital tone generator

Telephonic communications – Supervisory or control line signaling – Substation originated

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Digital tone generator

Telephonic communications – Supervisory or control line signaling – Substation originated

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Display device

Telephonic communications – Supervisory or control line signaling – Substation originated

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Display telephone with transducer

Telephonic communications – Supervisory or control line signaling – Substation originated

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

DTMF generating assistant

Telephonic communications – Supervisory or control line signaling – Substation originated

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

DTMF Generating assistant

Telephonic communications – Supervisory or control line signaling – Substation originated

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Dynamic ordering of an electronic phonebook

Telephonic communications – Supervisory or control line signaling – Substation originated

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

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