CA409499A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA409499A
CA409499A CA409499A CA409499DA CA409499A CA 409499 A CA409499 A CA 409499A CA 409499 A CA409499 A CA 409499A CA 409499D A CA409499D A CA 409499DA CA 409499 A CA409499 A CA 409499A
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
CA409499A
Other languages
French (fr)
Inventor
E. Lomax Clarence
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.)
Nortel Networks Ltd
Original Assignee
Northern Electric Co Ltd
Publication date
Application granted granted Critical
Publication of CA409499A publication Critical patent/CA409499A/en
Expired legal-status Critical Current

Links

CA409499A Telephone system Expired CA409499A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA409499T

Publications (1)

Publication Number Publication Date
CA409499A true CA409499A (en) 1942-12-22

Family

ID=35420800

Family Applications (1)

Application Number Title Priority Date Filing Date
CA409499A Expired CA409499A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA409499A (en)

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