CA297487A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA297487A
CA297487A CA297487A CA297487DA CA297487A CA 297487 A CA297487 A CA 297487A CA 297487 A CA297487 A CA 297487A CA 297487D A CA297487D A CA 297487DA CA 297487 A CA297487 A CA 297487A
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
CA297487A
Other languages
French (fr)
Inventor
F. Stehlik Rudolph
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 CA297487A publication Critical patent/CA297487A/en
Expired legal-status Critical Current

Links

CA297487A Telephone system Expired CA297487A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA297487T

Publications (1)

Publication Number Publication Date
CA297487A true CA297487A (en) 1930-02-11

Family

ID=35234806

Family Applications (1)

Application Number Title Priority Date Filing Date
CA297487A Expired CA297487A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA297487A (en)

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