CA442941A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA442941A
CA442941A CA442941A CA442941DA CA442941A CA 442941 A CA442941 A CA 442941A CA 442941 A CA442941 A CA 442941A CA 442941D A CA442941D A CA 442941DA CA 442941 A CA442941 A CA 442941A
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
CA442941A
Other languages
French (fr)
Inventor
N. Newstedt Harry
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 CA442941A publication Critical patent/CA442941A/en
Expired legal-status Critical Current

Links

CA442941A Telephone system Expired CA442941A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA442941T

Publications (1)

Publication Number Publication Date
CA442941A true CA442941A (en) 1947-07-15

Family

ID=35558168

Family Applications (1)

Application Number Title Priority Date Filing Date
CA442941A Expired CA442941A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA442941A (en)

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