CA339281A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA339281A
CA339281A CA339281A CA339281DA CA339281A CA 339281 A CA339281 A CA 339281A CA 339281 A CA339281 A CA 339281A CA 339281D A CA339281D A CA 339281DA CA 339281 A CA339281 A CA 339281A
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
CA339281A
Other languages
English (en)
Inventor
Howes Johnson Lewis
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 Inc
Original Assignee
Western Electric Co Inc
Publication date
Application granted granted Critical
Publication of CA339281A publication Critical patent/CA339281A/fr
Expired legal-status Critical Current

Links

CA339281A Systeme telephonique Expired CA339281A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA339281T

Publications (1)

Publication Number Publication Date
CA339281A true CA339281A (fr) 1934-02-06

Family

ID=35302422

Family Applications (1)

Application Number Title Priority Date Filing Date
CA339281A Expired CA339281A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA339281A (fr)

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