CA428402A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA428402A
CA428402A CA428402A CA428402DA CA428402A CA 428402 A CA428402 A CA 428402A CA 428402 A CA428402 A CA 428402A CA 428402D A CA428402D A CA 428402DA CA 428402 A CA428402 A CA 428402A
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
CA428402A
Other languages
French (fr)
Inventor
Ellis Ostline 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 CA428402A publication Critical patent/CA428402A/en
Expired legal-status Critical Current

Links

CA428402A Telephone system Expired CA428402A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA428402T

Publications (1)

Publication Number Publication Date
CA428402A true CA428402A (en) 1945-06-26

Family

ID=35543382

Family Applications (1)

Application Number Title Priority Date Filing Date
CA428402A Expired CA428402A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA428402A (en)

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