CA290424A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA290424A
CA290424A CA290424A CA290424DA CA290424A CA 290424 A CA290424 A CA 290424A CA 290424 A CA290424 A CA 290424A CA 290424D A CA290424D A CA 290424DA CA 290424 A CA290424 A CA 290424A
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
CA290424A
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 CA290424A publication Critical patent/CA290424A/en
Expired legal-status Critical Current

Links

CA290424A Telephone system Expired CA290424A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA290424T

Publications (1)

Publication Number Publication Date
CA290424A true CA290424A (en) 1929-06-11

Family

ID=35227236

Family Applications (1)

Application Number Title Priority Date Filing Date
CA290424A Expired CA290424A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA290424A (en)

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