CA423458A - Telephone call transmitter device - Google Patents

Telephone call transmitter device

Info

Publication number
CA423458A
CA423458A CA423458A CA423458DA CA423458A CA 423458 A CA423458 A CA 423458A CA 423458 A CA423458 A CA 423458A CA 423458D A CA423458D A CA 423458DA CA 423458 A CA423458 A CA 423458A
Authority
CA
Canada
Prior art keywords
telephone call
transmitter device
call transmitter
telephone
transmitter
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
CA423458A
Other languages
French (fr)
Inventor
Herbert Wheeler Clyde
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 CA423458A publication Critical patent/CA423458A/en
Expired legal-status Critical Current

Links

CA423458A Telephone call transmitter device Expired CA423458A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA423458T

Publications (1)

Publication Number Publication Date
CA423458A true CA423458A (en) 1944-10-24

Family

ID=35534461

Family Applications (1)

Application Number Title Priority Date Filing Date
CA423458A Expired CA423458A (en) Telephone call transmitter device

Country Status (1)

Country Link
CA (1) CA423458A (en)

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