CA421036A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA421036A
CA421036A CA421036A CA421036DA CA421036A CA 421036 A CA421036 A CA 421036A CA 421036 A CA421036 A CA 421036A CA 421036D A CA421036D A CA 421036DA CA 421036 A CA421036 A CA 421036A
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
CA421036A
Other languages
French (fr)
Inventor
Richard Waller Lee
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 CA421036A publication Critical patent/CA421036A/en
Expired legal-status Critical Current

Links

CA421036A Telephone system Expired CA421036A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA421036T

Publications (1)

Publication Number Publication Date
CA421036A true CA421036A (en) 1944-06-20

Family

ID=35531984

Family Applications (1)

Application Number Title Priority Date Filing Date
CA421036A Expired CA421036A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA421036A (en)

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