CA419622A - Cadran de telephone - Google Patents

Cadran de telephone

Info

Publication number
CA419622A
CA419622A CA419622A CA419622DA CA419622A CA 419622 A CA419622 A CA 419622A CA 419622 A CA419622 A CA 419622A CA 419622D A CA419622D A CA 419622DA CA 419622 A CA419622 A CA 419622A
Authority
CA
Canada
Prior art keywords
telephone calling
calling dial
dial
telephone
calling
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
CA419622A
Other languages
English (en)
Inventor
Wheeler Goff Harold
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
Bell Telephone Laboratories Inc
Publication date
Application granted granted Critical
Publication of CA419622A publication Critical patent/CA419622A/fr
Expired legal-status Critical Current

Links

CA419622A Cadran de telephone Expired CA419622A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA419622T

Publications (1)

Publication Number Publication Date
CA419622A true CA419622A (fr) 1944-04-11

Family

ID=35528909

Family Applications (1)

Application Number Title Priority Date Filing Date
CA419622A Expired CA419622A (fr) Cadran de telephone

Country Status (1)

Country Link
CA (1) CA419622A (fr)

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