CA275309A - Calling device - Google Patents

Calling device

Info

Publication number
CA275309A
CA275309A CA275309A CA275309DA CA275309A CA 275309 A CA275309 A CA 275309A CA 275309 A CA275309 A CA 275309A CA 275309D A CA275309D A CA 275309DA CA 275309 A CA275309 A CA 275309A
Authority
CA
Canada
Prior art keywords
calling device
calling
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
CA275309A
Other languages
French (fr)
Inventor
F. Obergfell Herbert
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 CA275309A publication Critical patent/CA275309A/en
Expired legal-status Critical Current

Links

CA275309A Calling device Expired CA275309A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA275309T

Publications (1)

Publication Number Publication Date
CA275309A true CA275309A (en) 1927-11-08

Family

ID=35205341

Family Applications (1)

Application Number Title Priority Date Filing Date
CA275309A Expired CA275309A (en) Calling device

Country Status (1)

Country Link
CA (1) CA275309A (en)

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