CA178647A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA178647A
CA178647A CA000178647A CA178647DA CA178647A CA 178647 A CA178647 A CA 178647A CA 000178647 A CA000178647 A CA 000178647A CA 178647D A CA178647D A CA 178647DA CA 178647 A CA178647 A CA 178647A
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
CA000178647A
Other languages
English (en)
Inventor
Samuel Byron Williams Jr.
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 CA178647A publication Critical patent/CA178647A/fr
Expired legal-status Critical Current

Links

CA000178647A 1916-05-10 1916-05-10 Systeme telephonique Expired CA178647A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA178647T 1916-05-10

Publications (1)

Publication Number Publication Date
CA178647A true CA178647A (fr) 1917-08-07

Family

ID=45298300

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000178647A Expired CA178647A (fr) 1916-05-10 1916-05-10 Systeme telephonique

Country Status (1)

Country Link
CA (1) CA178647A (fr)

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