CA243185A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA243185A
CA243185A CA243185A CA243185DA CA243185A CA 243185 A CA243185 A CA 243185A CA 243185 A CA243185 A CA 243185A CA 243185D A CA243185D A CA 243185DA CA 243185 A CA243185 A CA 243185A
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
CA243185A
Other languages
French (fr)
Inventor
E. Gardner 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
Original Assignee
Northern Electric Co Ltd
Publication date
Application granted granted Critical
Publication of CA243185A publication Critical patent/CA243185A/en
Expired legal-status Critical Current

Links

CA243185A Telephone system Expired CA243185A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA243185T

Publications (1)

Publication Number Publication Date
CA243185A true CA243185A (en) 1924-09-23

Family

ID=35147213

Family Applications (1)

Application Number Title Priority Date Filing Date
CA243185A Expired CA243185A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA243185A (en)

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