CA442988A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA442988A
CA442988A CA442988A CA442988DA CA442988A CA 442988 A CA442988 A CA 442988A CA 442988 A CA442988 A CA 442988A CA 442988D A CA442988D A CA 442988DA CA 442988 A CA442988 A CA 442988A
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
CA442988A
Other languages
French (fr)
Inventor
Mckim Burton
Myers Oscar
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 CA442988A publication Critical patent/CA442988A/en
Expired legal-status Critical Current

Links

CA442988A Telephone system Expired CA442988A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA442988T

Publications (1)

Publication Number Publication Date
CA442988A true CA442988A (en) 1947-07-15

Family

ID=35558215

Family Applications (1)

Application Number Title Priority Date Filing Date
CA442988A Expired CA442988A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA442988A (en)

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