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CA236491A - Calling device - Google Patents

Calling device

Info

Publication number
CA236491A
CA236491A CA236491A CA236491DA CA236491A CA 236491 A CA236491 A CA 236491A CA 236491 A CA236491 A CA 236491A CA 236491D A CA236491D A CA 236491DA CA 236491 A CA236491 A CA 236491A
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
CA236491A
Other languages
French (fr)
Inventor
G. Blessing John
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 CA236491A publication Critical patent/CA236491A/en
Expired legal-status Critical Current

Links

CA236491A Calling device Expired CA236491A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA236491T

Publications (1)

Publication Number Publication Date
CA236491A true CA236491A (en) 1923-12-18

Family

ID=35133865

Family Applications (1)

Application Number Title Priority Date Filing Date
CA236491A Expired CA236491A (en) Calling device

Country Status (1)

Country Link
CA (1) CA236491A (en)

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