CA431093A - Automatic telephone system - Google Patents

Automatic telephone system

Info

Publication number
CA431093A
CA431093A CA431093A CA431093DA CA431093A CA 431093 A CA431093 A CA 431093A CA 431093 A CA431093 A CA 431093A CA 431093D A CA431093D A CA 431093DA CA 431093 A CA431093 A CA 431093A
Authority
CA
Canada
Prior art keywords
telephone system
automatic telephone
automatic
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
CA431093A
Other languages
French (fr)
Inventor
Gosmann Enart
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 CA431093A publication Critical patent/CA431093A/en
Expired legal-status Critical Current

Links

CA431093A Automatic telephone system Expired CA431093A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA431093T

Publications (1)

Publication Number Publication Date
CA431093A true CA431093A (en) 1945-11-06

Family

ID=35546126

Family Applications (1)

Application Number Title Priority Date Filing Date
CA431093A Expired CA431093A (en) Automatic telephone system

Country Status (1)

Country Link
CA (1) CA431093A (en)

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