CA379431A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA379431A
CA379431A CA379431A CA379431DA CA379431A CA 379431 A CA379431 A CA 379431A CA 379431 A CA379431 A CA 379431A CA 379431D A CA379431D A CA 379431DA CA 379431 A CA379431 A CA 379431A
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
CA379431A
Other languages
French (fr)
Inventor
D. Willis Bernard
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 CA379431A publication Critical patent/CA379431A/en
Expired legal-status Critical Current

Links

CA379431A Telephone system Expired CA379431A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA379431T

Publications (1)

Publication Number Publication Date
CA379431A true CA379431A (en) 1939-02-07

Family

ID=35383756

Family Applications (1)

Application Number Title Priority Date Filing Date
CA379431A Expired CA379431A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA379431A (en)

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