CA427709A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA427709A
CA427709A CA427709A CA427709DA CA427709A CA 427709 A CA427709 A CA 427709A CA 427709 A CA427709 A CA 427709A CA 427709D A CA427709D A CA 427709DA CA 427709 A CA427709 A CA 427709A
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
CA427709A
Other languages
English (en)
Inventor
Myers Oscar
Wesley Carpenter Warren
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 CA427709A publication Critical patent/CA427709A/fr
Expired legal-status Critical Current

Links

CA427709A Systeme telephonique Expired CA427709A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA427709T

Publications (1)

Publication Number Publication Date
CA427709A true CA427709A (fr) 1945-05-22

Family

ID=35538741

Family Applications (1)

Application Number Title Priority Date Filing Date
CA427709A Expired CA427709A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA427709A (fr)

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