CA343998A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA343998A
CA343998A CA343998A CA343998DA CA343998A CA 343998 A CA343998 A CA 343998A CA 343998 A CA343998 A CA 343998A CA 343998D A CA343998D A CA 343998DA CA 343998 A CA343998 A CA 343998A
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
CA343998A
Other languages
English (en)
Inventor
Edison Phelps Henry
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 CA343998A publication Critical patent/CA343998A/fr
Expired legal-status Critical Current

Links

CA343998A Systeme telephonique Expired CA343998A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA343998T

Publications (1)

Publication Number Publication Date
CA343998A true CA343998A (fr) 1934-08-14

Family

ID=35315271

Family Applications (1)

Application Number Title Priority Date Filing Date
CA343998A Expired CA343998A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA343998A (fr)

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