CA270755A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA270755A
CA270755A CA270755A CA270755DA CA270755A CA 270755 A CA270755 A CA 270755A CA 270755 A CA270755 A CA 270755A CA 270755D A CA270755D A CA 270755DA CA 270755 A CA270755 A CA 270755A
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
CA270755A
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 CA270755A publication Critical patent/CA270755A/en
Expired legal-status Critical Current

Links

CA270755A Telephone system Expired CA270755A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA270755T

Publications (1)

Publication Number Publication Date
CA270755A true CA270755A (en) 1927-05-17

Family

ID=35200786

Family Applications (1)

Application Number Title Priority Date Filing Date
CA270755A Expired CA270755A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA270755A (en)

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