CA431097A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA431097A
CA431097A CA431097A CA431097DA CA431097A CA 431097 A CA431097 A CA 431097A CA 431097 A CA431097 A CA 431097A CA 431097D A CA431097D A CA 431097DA CA 431097 A CA431097 A CA 431097A
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
CA431097A
Other languages
French (fr)
Inventor
Keith Mcalpine Roderick
Adam Korn Franklin
Victor King Gerald
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
Bell Telephone Laboratories Inc
Publication date
Application granted granted Critical
Publication of CA431097A publication Critical patent/CA431097A/en
Expired legal-status Critical Current

Links

CA431097A Telephone system Expired CA431097A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA431097T

Publications (1)

Publication Number Publication Date
CA431097A true CA431097A (en) 1945-11-06

Family

ID=35546130

Family Applications (1)

Application Number Title Priority Date Filing Date
CA431097A Expired CA431097A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA431097A (en)

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