CA459020A - Transmetteur d'appels telephoniques - Google Patents

Transmetteur d'appels telephoniques

Info

Publication number
CA459020A
CA459020A CA459020A CA459020DA CA459020A CA 459020 A CA459020 A CA 459020A CA 459020 A CA459020 A CA 459020A CA 459020D A CA459020D A CA 459020DA CA 459020 A CA459020 A CA 459020A
Authority
CA
Canada
Prior art keywords
telephone call
call transmitter
transmitter
telephone
call
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA459020A
Other languages
English (en)
Inventor
D. Richard Charles
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
Western Electric Co Inc
Bell Telephone Laboratories Inc
Publication date
Application granted granted Critical
Publication of CA459020A publication Critical patent/CA459020A/fr
Expired legal-status Critical Current

Links

CA459020A Transmetteur d'appels telephoniques Expired CA459020A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA459020T

Publications (1)

Publication Number Publication Date
CA459020A true CA459020A (fr) 1949-08-16

Family

ID=35577729

Family Applications (1)

Application Number Title Priority Date Filing Date
CA459020A Expired CA459020A (fr) Transmetteur d'appels telephoniques

Country Status (1)

Country Link
CA (1) CA459020A (fr)

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