CA117555A - Systeme de telephones - Google Patents

Systeme de telephones

Info

Publication number
CA117555A
CA117555A CA000117555A CA117555DA CA117555A CA 117555 A CA117555 A CA 117555A CA 000117555 A CA000117555 A CA 000117555A CA 117555D A CA117555D A CA 117555DA CA 117555 A CA117555 A CA 117555A
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
CA000117555A
Other languages
English (en)
Inventor
Homer J. Roberts
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.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA117555A publication Critical patent/CA117555A/fr
Expired legal-status Critical Current

Links

CA000117555A 1907-04-22 1907-04-22 Systeme de telephones Expired CA117555A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA117555T 1907-04-22

Publications (1)

Publication Number Publication Date
CA117555A true CA117555A (fr) 1909-03-30

Family

ID=45237279

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000117555A Expired CA117555A (fr) 1907-04-22 1907-04-22 Systeme de telephones

Country Status (1)

Country Link
CA (1) CA117555A (fr)

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