CA167738A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA167738A
CA167738A CA000167738A CA167738DA CA167738A CA 167738 A CA167738 A CA 167738A CA 000167738 A CA000167738 A CA 000167738A CA 167738D A CA167738D A CA 167738DA CA 167738 A CA167738 A CA 167738A
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
CA000167738A
Other languages
French (fr)
Inventor
Alfred Hartwell Dyson
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 CA167738A publication Critical patent/CA167738A/en
Expired legal-status Critical Current

Links

CA000167738A 1915-04-08 1915-04-08 Telephone system Expired CA167738A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA167738T 1915-04-08

Publications (1)

Publication Number Publication Date
CA167738A true CA167738A (en) 1916-02-22

Family

ID=45287408

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000167738A Expired CA167738A (en) 1915-04-08 1915-04-08 Telephone system

Country Status (1)

Country Link
CA (1) CA167738A (en)

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