CA424752A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA424752A
CA424752A CA424752A CA424752DA CA424752A CA 424752 A CA424752 A CA 424752A CA 424752 A CA424752 A CA 424752A CA 424752D A CA424752D A CA 424752DA CA 424752 A CA424752 A CA 424752A
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
CA424752A
Other languages
English (en)
Inventor
William Halligan Clair
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 Inc
Original Assignee
Western Electric Co Inc
Publication date
Application granted granted Critical
Publication of CA424752A publication Critical patent/CA424752A/fr
Expired legal-status Critical Current

Links

CA424752A Systeme telephonique Expired CA424752A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA424752T

Publications (1)

Publication Number Publication Date
CA424752A true CA424752A (fr) 1944-12-26

Family

ID=35535767

Family Applications (1)

Application Number Title Priority Date Filing Date
CA424752A Expired CA424752A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA424752A (fr)

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