CA220102A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA220102A
CA220102A CA220102A CA220102DA CA220102A CA 220102 A CA220102 A CA 220102A CA 220102 A CA220102 A CA 220102A CA 220102D A CA220102D A CA 220102DA CA 220102 A CA220102 A CA 220102A
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
CA220102A
Other languages
French (fr)
Inventor
Wicks John
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
Automatic Electric Co
Original Assignee
Northern Electric Co Ltd
Automatic Electric Co
Publication date
Application granted granted Critical
Publication of CA220102A publication Critical patent/CA220102A/en
Expired legal-status Critical Current

Links

CA220102A Telephone system Expired CA220102A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA220102T

Publications (1)

Publication Number Publication Date
CA220102A true CA220102A (en) 1922-06-27

Family

ID=35114546

Family Applications (1)

Application Number Title Priority Date Filing Date
CA220102A Expired CA220102A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA220102A (en)

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