CA287220A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA287220A
CA287220A CA287220A CA287220DA CA287220A CA 287220 A CA287220 A CA 287220A CA 287220 A CA287220 A CA 287220A CA 287220D A CA287220D A CA 287220DA CA 287220 A CA287220 A CA 287220A
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
CA287220A
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 CA287220A publication Critical patent/CA287220A/en
Expired legal-status Critical Current

Links

CA287220A Telephone system Expired CA287220A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA287220T

Publications (1)

Publication Number Publication Date
CA287220A true CA287220A (en) 1929-02-12

Family

ID=35224032

Family Applications (1)

Application Number Title Priority Date Filing Date
CA287220A Expired CA287220A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA287220A (en)

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