CA318925A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA318925A
CA318925A CA318925A CA318925DA CA318925A CA 318925 A CA318925 A CA 318925A CA 318925 A CA318925 A CA 318925A CA 318925D A CA318925D A CA 318925DA CA 318925 A CA318925 A CA 318925A
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
CA318925A
Other languages
French (fr)
Inventor
Brightwell Johnson Herbert
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
Publication date
Application granted granted Critical
Publication of CA318925A publication Critical patent/CA318925A/en
Expired legal-status Critical Current

Links

CA318925A Telephone system Expired CA318925A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA318925T

Publications (1)

Publication Number Publication Date
CA318925A true CA318925A (en) 1932-01-12

Family

ID=35279480

Family Applications (1)

Application Number Title Priority Date Filing Date
CA318925A Expired CA318925A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA318925A (en)

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