CA416352A - Groupe telephonique - Google Patents

Groupe telephonique

Info

Publication number
CA416352A
CA416352A CA416352A CA416352DA CA416352A CA 416352 A CA416352 A CA 416352A CA 416352 A CA416352 A CA 416352A CA 416352D A CA416352D A CA 416352DA CA 416352 A CA416352 A CA 416352A
Authority
CA
Canada
Prior art keywords
telephone set
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
CA416352A
Other languages
English (en)
Inventor
Herckmans Alfred
Deming Goodale. Walter Jr.
James Tillman Richard
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 CA416352A publication Critical patent/CA416352A/fr
Expired legal-status Critical Current

Links

CA416352A Groupe telephonique Expired CA416352A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA416352T

Publications (1)

Publication Number Publication Date
CA416352A true CA416352A (fr) 1943-11-09

Family

ID=35525572

Family Applications (1)

Application Number Title Priority Date Filing Date
CA416352A Expired CA416352A (fr) Groupe telephonique

Country Status (1)

Country Link
CA (1) CA416352A (fr)

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