CA238906A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA238906A
CA238906A CA238906A CA238906DA CA238906A CA 238906 A CA238906 A CA 238906A CA 238906 A CA238906 A CA 238906A CA 238906D A CA238906D A CA 238906DA CA 238906 A CA238906 A CA 238906A
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
CA238906A
Other languages
French (fr)
Inventor
A. Benson William
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 CA238906A publication Critical patent/CA238906A/en
Expired legal-status Critical Current

Links

CA238906A Telephone system Expired CA238906A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA238906T

Publications (1)

Publication Number Publication Date
CA238906A true CA238906A (en) 1924-03-25

Family

ID=35142937

Family Applications (1)

Application Number Title Priority Date Filing Date
CA238906A Expired CA238906A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA238906A (en)

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