CA159741A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA159741A
CA159741A CA000159741A CA159741DA CA159741A CA 159741 A CA159741 A CA 159741A CA 000159741 A CA000159741 A CA 000159741A CA 159741D A CA159741D A CA 159741DA CA 159741 A CA159741 A CA 159741A
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
CA000159741A
Other languages
English (en)
Inventor
Bernard D. Willis
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 CA159741A publication Critical patent/CA159741A/fr
Expired legal-status Critical Current

Links

CA000159741A 1913-05-14 1913-05-14 Systeme telephonique Expired CA159741A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA159741T 1913-05-14

Publications (1)

Publication Number Publication Date
CA159741A true CA159741A (fr) 1914-12-29

Family

ID=45279445

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000159741A Expired CA159741A (fr) 1913-05-14 1913-05-14 Systeme telephonique

Country Status (1)

Country Link
CA (1) CA159741A (fr)

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