CA417942A - Monotelephone de bureau - Google Patents

Monotelephone de bureau

Info

Publication number
CA417942A
CA417942A CA417942A CA417942DA CA417942A CA 417942 A CA417942 A CA 417942A CA 417942 A CA417942 A CA 417942A CA 417942D A CA417942D A CA 417942DA CA 417942 A CA417942 A CA 417942A
Authority
CA
Canada
Prior art keywords
telephone set
desk telephone
desk
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
CA417942A
Other languages
English (en)
Inventor
F. Obergfell Herbert
Original Assignee
Automatic Electric Laboratories Inc
Associated Telephone and Telegraph Co
Publication date
Application granted granted Critical
Publication of CA417942A publication Critical patent/CA417942A/fr
Expired legal-status Critical Current

Links

CA417942A Monotelephone de bureau Expired CA417942A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA417942T

Publications (1)

Publication Number Publication Date
CA417942A true CA417942A (fr) 1944-01-25

Family

ID=35527197

Family Applications (1)

Application Number Title Priority Date Filing Date
CA417942A Expired CA417942A (fr) Monotelephone de bureau

Country Status (1)

Country Link
CA (1) CA417942A (fr)

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