CA9069A - Improvements in telephony - Google Patents

Improvements in telephony

Info

Publication number
CA9069A
CA9069A CA000009069A CA9069DA CA9069A CA 9069 A CA9069 A CA 9069A CA 000009069 A CA000009069 A CA 000009069A CA 9069D A CA9069D A CA 9069DA CA 9069 A CA9069 A CA 9069A
Authority
CA
Canada
Prior art keywords
telephony
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
CA000009069A
Other languages
French (fr)
Inventor
Abner M. Roseburgh
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
Publication date
Application granted granted Critical
Publication of CA9069A publication Critical patent/CA9069A/en
Expired legal-status Critical Current

Links

CA000009069A Improvements in telephony Expired CA9069A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA9069T

Publications (1)

Publication Number Publication Date
CA9069A true CA9069A (en) 1878-08-05

Family

ID=45125617

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000009069A Expired CA9069A (en) Improvements in telephony

Country Status (1)

Country Link
CA (1) CA9069A (en)

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