CA189702A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA189702A
CA189702A CA000189702A CA189702DA CA189702A CA 189702 A CA189702 A CA 189702A CA 000189702 A CA000189702 A CA 000189702A CA 189702D A CA189702D A CA 189702DA CA 189702 A CA189702 A CA 189702A
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
CA000189702A
Other languages
English (en)
Inventor
Henry Peter Clausen
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 CA189702A publication Critical patent/CA189702A/fr
Expired legal-status Critical Current

Links

CA000189702A 1918-02-22 1918-02-22 Systeme telephonique Expired CA189702A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA189702T 1918-02-22

Publications (1)

Publication Number Publication Date
CA189702A true CA189702A (fr) 1919-04-15

Family

ID=45309353

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000189702A Expired CA189702A (fr) 1918-02-22 1918-02-22 Systeme telephonique

Country Status (1)

Country Link
CA (1) CA189702A (fr)

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