CA309944A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA309944A
CA309944A CA309944A CA309944DA CA309944A CA 309944 A CA309944 A CA 309944A CA 309944 A CA309944 A CA 309944A CA 309944D A CA309944D A CA 309944DA CA 309944 A CA309944 A CA 309944A
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
CA309944A
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 CA309944A publication Critical patent/CA309944A/en
Expired legal-status Critical Current

Links

CA309944A Telephone system Expired CA309944A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA309944T

Publications (1)

Publication Number Publication Date
CA309944A true CA309944A (en) 1931-03-31

Family

ID=35269268

Family Applications (1)

Application Number Title Priority Date Filing Date
CA309944A Expired CA309944A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA309944A (en)

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