CA168422A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA168422A
CA168422A CA000168422A CA168422DA CA168422A CA 168422 A CA168422 A CA 168422A CA 000168422 A CA000168422 A CA 000168422A CA 168422D A CA168422D A CA 168422DA CA 168422 A CA168422 A CA 168422A
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
CA000168422A
Other languages
English (en)
Inventor
Alfred Hartwell Dyson
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 CA168422A publication Critical patent/CA168422A/fr
Expired legal-status Critical Current

Links

CA000168422A 1915-03-01 1915-03-01 Systeme telephonique Expired CA168422A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA168422T 1915-03-01

Publications (1)

Publication Number Publication Date
CA168422A true CA168422A (fr) 1916-03-28

Family

ID=45288090

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000168422A Expired CA168422A (fr) 1915-03-01 1915-03-01 Systeme telephonique

Country Status (1)

Country Link
CA (1) CA168422A (fr)

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