CA367976A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA367976A
CA367976A CA367976A CA367976DA CA367976A CA 367976 A CA367976 A CA 367976A CA 367976 A CA367976 A CA 367976A CA 367976D A CA367976D A CA 367976DA CA 367976 A CA367976 A CA 367976A
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
CA367976A
Other languages
English (en)
Inventor
John Bowne Langford
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 CA367976A publication Critical patent/CA367976A/fr
Expired legal-status Critical Current

Links

CA367976A Systeme telephonique Expired CA367976A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA367976T

Publications (1)

Publication Number Publication Date
CA367976A true CA367976A (fr) 1937-08-10

Family

ID=35369044

Family Applications (1)

Application Number Title Priority Date Filing Date
CA367976A Expired CA367976A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA367976A (fr)

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