CA289465A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA289465A
CA289465A CA289465A CA289465DA CA289465A CA 289465 A CA289465 A CA 289465A CA 289465 A CA289465 A CA 289465A CA 289465D A CA289465D A CA 289465DA CA 289465 A CA289465 A CA 289465A
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
CA289465A
Other languages
English (en)
Inventor
S. Tharp Victor
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.)
Associated Telephone and Telegraph Co
Original Assignee
Associated Telephone and Telegraph Co
Publication date
Application granted granted Critical
Publication of CA289465A publication Critical patent/CA289465A/fr
Expired legal-status Critical Current

Links

CA289465A Systeme telephonique Expired CA289465A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA289465T

Publications (1)

Publication Number Publication Date
CA289465A true CA289465A (fr) 1929-05-07

Family

ID=35226277

Family Applications (1)

Application Number Title Priority Date Filing Date
CA289465A Expired CA289465A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA289465A (fr)

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