CA159742A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA159742A
CA159742A CA000159742A CA159742DA CA159742A CA 159742 A CA159742 A CA 159742A CA 000159742 A CA000159742 A CA 000159742A CA 159742D A CA159742D A CA 159742DA CA 159742 A CA159742 A CA 159742A
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
CA000159742A
Other languages
French (fr)
Inventor
John J. Comer
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 ENUNCIATOR Co
Original Assignee
AUTOMATIC ENUNCIATOR 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 ENUNCIATOR Co filed Critical AUTOMATIC ENUNCIATOR Co
Application granted granted Critical
Publication of CA159742A publication Critical patent/CA159742A/en
Expired legal-status Critical Current

Links

CA000159742A 1912-09-26 1912-09-26 Telephone system Expired CA159742A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA159742T 1912-09-26

Publications (1)

Publication Number Publication Date
CA159742A true CA159742A (en) 1914-12-29

Family

ID=45279446

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000159742A Expired CA159742A (en) 1912-09-26 1912-09-26 Telephone system

Country Status (1)

Country Link
CA (1) CA159742A (en)

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