CA197774A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA197774A
CA197774A CA197774A CA197774DA CA197774A CA 197774 A CA197774 A CA 197774A CA 197774 A CA197774 A CA 197774A CA 197774D A CA197774D A CA 197774DA CA 197774 A CA197774 A CA 197774A
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
CA197774A
Other languages
French (fr)
Inventor
Walter Owen William
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.)
Automatic Electric Co
Original Assignee
Automatic Electric Co
Publication date
Application granted granted Critical
Publication of CA197774A publication Critical patent/CA197774A/en
Expired legal-status Critical Current

Links

CA197774A Telephone system Expired CA197774A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA197774T

Publications (1)

Publication Number Publication Date
CA197774A true CA197774A (en) 1920-03-02

Family

ID=35072212

Family Applications (1)

Application Number Title Priority Date Filing Date
CA197774A Expired CA197774A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA197774A (en)

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