CA236645A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA236645A
CA236645A CA236645A CA236645DA CA236645A CA 236645 A CA236645 A CA 236645A CA 236645 A CA236645 A CA 236645A CA 236645D A CA236645D A CA 236645DA CA 236645 A CA236645 A CA 236645A
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
CA236645A
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 CA236645A publication Critical patent/CA236645A/en
Expired legal-status Critical Current

Links

CA236645A Telephone system Expired CA236645A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA236645T

Publications (1)

Publication Number Publication Date
CA236645A true CA236645A (en) 1923-12-25

Family

ID=35134019

Family Applications (1)

Application Number Title Priority Date Filing Date
CA236645A Expired CA236645A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA236645A (en)

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