CA287241A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA287241A
CA287241A CA287241A CA287241DA CA287241A CA 287241 A CA287241 A CA 287241A CA 287241 A CA287241 A CA 287241A CA 287241D A CA287241D A CA 287241DA CA 287241 A CA287241 A CA 287241A
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
CA287241A
Other languages
English (en)
Inventor
R. Waller Lee
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
Publication date
Application granted granted Critical
Publication of CA287241A publication Critical patent/CA287241A/fr
Expired legal-status Critical Current

Links

CA287241A Systeme telephonique Expired CA287241A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA287241T

Publications (1)

Publication Number Publication Date
CA287241A true CA287241A (fr) 1929-02-12

Family

ID=35224053

Family Applications (1)

Application Number Title Priority Date Filing Date
CA287241A Expired CA287241A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA287241A (fr)

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