CA459026A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA459026A
CA459026A CA459026A CA459026DA CA459026A CA 459026 A CA459026 A CA 459026A CA 459026 A CA459026 A CA 459026A CA 459026D A CA459026D A CA 459026DA CA 459026 A CA459026 A CA 459026A
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
CA459026A
Other languages
English (en)
Inventor
E. Kittredge Linus
W. Carpenter Warren
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 CA459026A publication Critical patent/CA459026A/fr
Expired legal-status Critical Current

Links

CA459026A Systeme telephonique Expired CA459026A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA459026T

Publications (1)

Publication Number Publication Date
CA459026A true CA459026A (fr) 1949-08-16

Family

ID=35577735

Family Applications (1)

Application Number Title Priority Date Filing Date
CA459026A Expired CA459026A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA459026A (fr)

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