CA435033A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA435033A
CA435033A CA435033A CA435033DA CA435033A CA 435033 A CA435033 A CA 435033A CA 435033 A CA435033 A CA 435033A CA 435033D A CA435033D A CA 435033DA CA 435033 A CA435033 A CA 435033A
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
CA435033A
Other languages
French (fr)
Inventor
Edward King Ralph
Roger Miller Ohmer
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
Bell Telephone Laboratories Inc
Publication date
Application granted granted Critical
Publication of CA435033A publication Critical patent/CA435033A/en
Expired legal-status Critical Current

Links

CA435033A Telephone system Expired CA435033A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA435033T

Publications (1)

Publication Number Publication Date
CA435033A true CA435033A (en) 1946-05-28

Family

ID=35549663

Family Applications (1)

Application Number Title Priority Date Filing Date
CA435033A Expired CA435033A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA435033A (en)

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