CA377321A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA377321A
CA377321A CA377321A CA377321DA CA377321A CA 377321 A CA377321 A CA 377321A CA 377321 A CA377321 A CA 377321A CA 377321D A CA377321D A CA 377321DA CA 377321 A CA377321 A CA 377321A
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
CA377321A
Other languages
English (en)
Inventor
Fousher Nelson Stanley
Foster Shipley Frank
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 CA377321A publication Critical patent/CA377321A/fr
Expired legal-status Critical Current

Links

CA377321A Systeme telephonique Expired CA377321A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA377321T

Publications (1)

Publication Number Publication Date
CA377321A true CA377321A (fr) 1938-10-25

Family

ID=35381645

Family Applications (1)

Application Number Title Priority Date Filing Date
CA377321A Expired CA377321A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA377321A (fr)

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