CA386497A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA386497A
CA386497A CA386497A CA386497DA CA386497A CA 386497 A CA386497 A CA 386497A CA 386497 A CA386497 A CA 386497A CA 386497D A CA386497D A CA 386497DA CA 386497 A CA386497 A CA 386497A
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
CA386497A
Other languages
French (fr)
Inventor
Sigford Peterson Edward
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 CA386497A publication Critical patent/CA386497A/en
Expired legal-status Critical Current

Links

CA386497A Telephone system Expired CA386497A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA386497T

Publications (1)

Publication Number Publication Date
CA386497A true CA386497A (en) 1940-01-23

Family

ID=35391718

Family Applications (1)

Application Number Title Priority Date Filing Date
CA386497A Expired CA386497A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA386497A (en)

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