CA289665A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA289665A
CA289665A CA289665A CA289665DA CA289665A CA 289665 A CA289665 A CA 289665A CA 289665 A CA289665 A CA 289665A CA 289665D A CA289665D A CA 289665DA CA 289665 A CA289665 A CA 289665A
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
CA289665A
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 CA289665A publication Critical patent/CA289665A/en
Expired legal-status Critical Current

Links

CA289665A Telephone system Expired CA289665A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA289665T

Publications (1)

Publication Number Publication Date
CA289665A true CA289665A (en) 1929-05-14

Family

ID=35226477

Family Applications (1)

Application Number Title Priority Date Filing Date
CA289665A Expired CA289665A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA289665A (en)

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