CA236642A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA236642A
CA236642A CA236642A CA236642DA CA236642A CA 236642 A CA236642 A CA 236642A CA 236642 A CA236642 A CA 236642A CA 236642D A CA236642D A CA 236642DA CA 236642 A CA236642 A CA 236642A
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
CA236642A
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 CA236642A publication Critical patent/CA236642A/en
Expired legal-status Critical Current

Links

CA236642A Telephone system Expired CA236642A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA236642T

Publications (1)

Publication Number Publication Date
CA236642A true CA236642A (en) 1923-12-25

Family

ID=35134016

Family Applications (1)

Application Number Title Priority Date Filing Date
CA236642A Expired CA236642A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA236642A (en)

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