CA353258A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA353258A
CA353258A CA353258A CA353258DA CA353258A CA 353258 A CA353258 A CA 353258A CA 353258 A CA353258 A CA 353258A CA 353258D A CA353258D A CA 353258DA CA 353258 A CA353258 A CA 353258A
Authority
CA
Canada
Prior art keywords
telephone system
telephone
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
CA353258A
Other languages
English (en)
Inventor
Melville Brazelton Roy
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
Publication date
Application granted granted Critical
Publication of CA353258A publication Critical patent/CA353258A/fr
Expired legal-status Critical Current

Links

CA353258A Systeme telephonique Expired CA353258A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA353258T

Publications (1)

Publication Number Publication Date
CA353258A true CA353258A (fr) 1935-09-24

Family

ID=35341220

Family Applications (1)

Application Number Title Priority Date Filing Date
CA353258A Expired CA353258A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA353258A (fr)

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