CA684579A - Telephone calling equipment - Google Patents

Telephone calling equipment

Info

Publication number
CA684579A
CA684579A CA684579A CA684579DA CA684579A CA 684579 A CA684579 A CA 684579A CA 684579 A CA684579 A CA 684579A CA 684579D A CA684579D A CA 684579DA CA 684579 A CA684579 A CA 684579A
Authority
CA
Canada
Prior art keywords
telephone calling
calling equipment
equipment
telephone
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
CA684579A
Inventor
Kobler Richard
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.)
McGraw Edison Co
Original Assignee
McGraw Edison Co
Publication date
Application granted granted Critical
Publication of CA684579A publication Critical patent/CA684579A/en
Expired legal-status Critical Current

Links

CA684579A Telephone calling equipment Expired CA684579A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA684579T

Publications (1)

Publication Number Publication Date
CA684579A true CA684579A (en) 1964-04-14

Family

ID=35987205

Family Applications (1)

Application Number Title Priority Date Filing Date
CA684579A Expired CA684579A (en) Telephone calling equipment

Country Status (1)

Country Link
CA (1) CA684579A (en)

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