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CA426778A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA426778A
CA426778A CA426778A CA426778DA CA426778A CA 426778 A CA426778 A CA 426778A CA 426778 A CA426778 A CA 426778A CA 426778D A CA426778D A CA 426778DA CA 426778 A CA426778 A CA 426778A
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
CA426778A
Other languages
French (fr)
Inventor
Allmen Lundstrom Alexis
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 CA426778A publication Critical patent/CA426778A/en
Expired legal-status Critical Current

Links

CA426778A Telephone system Expired CA426778A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA426778T

Publications (1)

Publication Number Publication Date
CA426778A true CA426778A (en) 1945-04-10

Family

ID=35537806

Family Applications (1)

Application Number Title Priority Date Filing Date
CA426778A Expired CA426778A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA426778A (en)

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