CA409856A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA409856A
CA409856A CA409856A CA409856DA CA409856A CA 409856 A CA409856 A CA 409856A CA 409856 A CA409856 A CA 409856A CA 409856D A CA409856D A CA 409856DA CA 409856 A CA409856 A CA 409856A
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
CA409856A
Other languages
French (fr)
Inventor
Hovland Henry
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 CA409856A publication Critical patent/CA409856A/en
Expired legal-status Critical Current

Links

CA409856A Telephone system Expired CA409856A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA409856T

Publications (1)

Publication Number Publication Date
CA409856A true CA409856A (en) 1943-01-05

Family

ID=35421158

Family Applications (1)

Application Number Title Priority Date Filing Date
CA409856A Expired CA409856A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA409856A (en)

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