CA236488A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA236488A
CA236488A CA236488A CA236488DA CA236488A CA 236488 A CA236488 A CA 236488A CA 236488 A CA236488 A CA 236488A CA 236488D A CA236488D A CA 236488DA CA 236488 A CA236488 A CA 236488A
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
CA236488A
Other languages
French (fr)
Inventor
G. Richardson Rodney
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 CA236488A publication Critical patent/CA236488A/en
Expired legal-status Critical Current

Links

CA236488A Telephone system Expired CA236488A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA236488T

Publications (1)

Publication Number Publication Date
CA236488A true CA236488A (en) 1923-12-18

Family

ID=35133862

Family Applications (1)

Application Number Title Priority Date Filing Date
CA236488A Expired CA236488A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA236488A (en)

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