CA186302A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA186302A
CA186302A CA000186302A CA186302DA CA186302A CA 186302 A CA186302 A CA 186302A CA 000186302 A CA000186302 A CA 000186302A CA 186302D A CA186302D A CA 186302DA CA 186302 A CA186302 A CA 186302A
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
CA000186302A
Other languages
French (fr)
Inventor
Alben E. Lundell
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of CA186302A publication Critical patent/CA186302A/en
Expired legal-status Critical Current

Links

CA000186302A 1917-10-04 1917-10-04 Telephone system Expired CA186302A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA186302T 1917-10-04

Publications (1)

Publication Number Publication Date
CA186302A true CA186302A (en) 1918-08-27

Family

ID=45305954

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000186302A Expired CA186302A (en) 1917-10-04 1917-10-04 Telephone system

Country Status (1)

Country Link
CA (1) CA186302A (en)

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