CA430963A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA430963A
CA430963A CA430963A CA430963DA CA430963A CA 430963 A CA430963 A CA 430963A CA 430963 A CA430963 A CA 430963A CA 430963D A CA430963D A CA 430963DA CA 430963 A CA430963 A CA 430963A
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
CA430963A
Other languages
French (fr)
Inventor
Lockwood Erwin Edson
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 CA430963A publication Critical patent/CA430963A/en
Expired legal-status Critical Current

Links

CA430963A Telephone system Expired CA430963A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA430963T

Publications (1)

Publication Number Publication Date
CA430963A true CA430963A (en) 1945-10-30

Family

ID=35545993

Family Applications (1)

Application Number Title Priority Date Filing Date
CA430963A Expired CA430963A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA430963A (en)

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