CA186406A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA186406A
CA186406A CA000186406A CA186406DA CA186406A CA 186406 A CA186406 A CA 186406A CA 000186406 A CA000186406 A CA 000186406A CA 186406D A CA186406D A CA 186406DA CA 186406 A CA186406 A CA 186406A
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
CA000186406A
Other languages
French (fr)
Inventor
Rodney G. Richardson
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.)
Automatic Electric Co
Original Assignee
Automatic Electric Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Automatic Electric Co filed Critical Automatic Electric Co
Application granted granted Critical
Publication of CA186406A publication Critical patent/CA186406A/en
Expired legal-status Critical Current

Links

CA000186406A 1917-06-05 1917-06-05 Telephone system Expired CA186406A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA186406T 1917-06-05

Publications (1)

Publication Number Publication Date
CA186406A true CA186406A (en) 1918-09-03

Family

ID=45306057

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000186406A Expired CA186406A (en) 1917-06-05 1917-06-05 Telephone system

Country Status (1)

Country Link
CA (1) CA186406A (en)

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