CA434101A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA434101A
CA434101A CA434101A CA434101DA CA434101A CA 434101 A CA434101 A CA 434101A CA 434101 A CA434101 A CA 434101A CA 434101D A CA434101D A CA 434101DA CA 434101 A CA434101 A CA 434101A
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
CA434101A
Other languages
French (fr)
Inventor
Amos E. Joel, 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 CA434101A publication Critical patent/CA434101A/en
Expired legal-status Critical Current

Links

CA434101A Telephone system Expired CA434101A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA434101T

Publications (1)

Publication Number Publication Date
CA434101A true CA434101A (en) 1946-04-09

Family

ID=35548729

Family Applications (1)

Application Number Title Priority Date Filing Date
CA434101A Expired CA434101A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA434101A (en)

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