CA293004A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA293004A
CA293004A CA293004A CA293004DA CA293004A CA 293004 A CA293004 A CA 293004A CA 293004 A CA293004 A CA 293004A CA 293004D A CA293004D A CA 293004DA CA 293004 A CA293004 A CA 293004A
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
CA293004A
Other languages
French (fr)
Inventor
H. Saunders Norman
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 CA293004A publication Critical patent/CA293004A/en
Expired legal-status Critical Current

Links

CA293004A Telephone system Expired CA293004A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA293004T

Publications (1)

Publication Number Publication Date
CA293004A true CA293004A (en) 1929-09-10

Family

ID=35230323

Family Applications (1)

Application Number Title Priority Date Filing Date
CA293004A Expired CA293004A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA293004A (en)

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