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CA236490A - Calling device - Google Patents

Calling device

Info

Publication number
CA236490A
CA236490A CA236490A CA236490DA CA236490A CA 236490 A CA236490 A CA 236490A CA 236490 A CA236490 A CA 236490A CA 236490D A CA236490D A CA 236490DA CA 236490 A CA236490 A CA 236490A
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
CA236490A
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 CA236490A publication Critical patent/CA236490A/en
Expired legal-status Critical Current

Links

CA236490A Calling device Expired CA236490A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA236490T

Publications (1)

Publication Number Publication Date
CA236490A true CA236490A (en) 1923-12-18

Family

ID=35133864

Family Applications (1)

Application Number Title Priority Date Filing Date
CA236490A Expired CA236490A (en) Calling device

Country Status (1)

Country Link
CA (1) CA236490A (en)

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