CA428744A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA428744A
CA428744A CA428744A CA428744DA CA428744A CA 428744 A CA428744 A CA 428744A CA 428744 A CA428744 A CA 428744A CA 428744D A CA428744D A CA 428744DA CA 428744 A CA428744 A CA 428744A
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
CA428744A
Other languages
English (en)
Inventor
Paul Winsor, Jr.
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 CA428744A publication Critical patent/CA428744A/fr
Expired legal-status Critical Current

Links

CA428744A Systeme telephonique Expired CA428744A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA428744T

Publications (1)

Publication Number Publication Date
CA428744A true CA428744A (fr) 1945-07-10

Family

ID=35543729

Family Applications (1)

Application Number Title Priority Date Filing Date
CA428744A Expired CA428744A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA428744A (fr)

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