CA159470A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA159470A
CA159470A CA000159470A CA159470DA CA159470A CA 159470 A CA159470 A CA 159470A CA 000159470 A CA000159470 A CA 000159470A CA 159470D A CA159470D A CA 159470DA CA 159470 A CA159470 A CA 159470A
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
CA000159470A
Other languages
English (en)
Inventor
John G. Blessing
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.)
Automatic Electric Co
Original Assignee
Automatic Electric Co
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 Automatic Electric Co filed Critical Automatic Electric Co
Application granted granted Critical
Publication of CA159470A publication Critical patent/CA159470A/fr
Expired legal-status Critical Current

Links

CA000159470A 1912-02-27 1912-02-27 Systeme telephonique Expired CA159470A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA159470T 1912-02-27

Publications (1)

Publication Number Publication Date
CA159470A true CA159470A (fr) 1914-12-15

Family

ID=45279174

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000159470A Expired CA159470A (fr) 1912-02-27 1912-02-27 Systeme telephonique

Country Status (1)

Country Link
CA (1) CA159470A (fr)

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