CA409529A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA409529A
CA409529A CA409529A CA409529DA CA409529A CA 409529 A CA409529 A CA 409529A CA 409529 A CA409529 A CA 409529A CA 409529D A CA409529D A CA 409529DA CA 409529 A CA409529 A CA 409529A
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
CA409529A
Other languages
French (fr)
Inventor
Everett Collis Raymond
Byron Newsom James
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 CA409529A publication Critical patent/CA409529A/en
Expired legal-status Critical Current

Links

CA409529A Telephone system Expired CA409529A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA409529T

Publications (1)

Publication Number Publication Date
CA409529A true CA409529A (en) 1942-12-22

Family

ID=35420831

Family Applications (1)

Application Number Title Priority Date Filing Date
CA409529A Expired CA409529A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA409529A (en)

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