CA238139A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA238139A
CA238139A CA238139A CA238139DA CA238139A CA 238139 A CA238139 A CA 238139A CA 238139 A CA238139 A CA 238139A CA 238139D A CA238139D A CA 238139DA CA 238139 A CA238139 A CA 238139A
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
CA238139A
Other languages
French (fr)
Inventor
Bessey Smith Arthur
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 CA238139A publication Critical patent/CA238139A/en
Expired legal-status Critical Current

Links

CA238139A Telephone system Expired CA238139A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA238139T

Publications (1)

Publication Number Publication Date
CA238139A true CA238139A (en) 1924-02-26

Family

ID=35142171

Family Applications (1)

Application Number Title Priority Date Filing Date
CA238139A Expired CA238139A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA238139A (en)

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