CA179149A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA179149A
CA179149A CA000179149A CA179149DA CA179149A CA 179149 A CA179149 A CA 179149A CA 000179149 A CA000179149 A CA 000179149A CA 179149D A CA179149D A CA 179149DA CA 179149 A CA179149 A CA 179149A
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
CA000179149A
Other languages
English (en)
Inventor
Jacob William Lattig
Charles Lane Goodrum
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 CA179149A publication Critical patent/CA179149A/fr
Expired legal-status Critical Current

Links

CA000179149A 1916-07-03 1916-07-03 Systeme telephonique Expired CA179149A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA179149T 1916-07-03

Publications (1)

Publication Number Publication Date
CA179149A true CA179149A (fr) 1917-09-04

Family

ID=45298802

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000179149A Expired CA179149A (fr) 1916-07-03 1916-07-03 Systeme telephonique

Country Status (1)

Country Link
CA (1) CA179149A (fr)

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