CA77914A - Art de telephonie - Google Patents

Art de telephonie

Info

Publication number
CA77914A
CA77914A CA000077914A CA77914DA CA77914A CA 77914 A CA77914 A CA 77914A CA 000077914 A CA000077914 A CA 000077914A CA 77914D A CA77914D A CA 77914DA CA 77914 A CA77914 A CA 77914A
Authority
CA
Canada
Prior art keywords
telephony
art
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
CA000077914A
Other languages
English (en)
Inventor
George Alexander Cardwell
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 CA77914A publication Critical patent/CA77914A/fr
Expired legal-status Critical Current

Links

CA000077914A 1902-01-15 1902-01-15 Art de telephonie Expired CA77914A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA77914T 1902-01-15

Publications (1)

Publication Number Publication Date
CA77914A true CA77914A (fr) 1902-10-21

Family

ID=45194450

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000077914A Expired CA77914A (fr) 1902-01-15 1902-01-15 Art de telephonie

Country Status (1)

Country Link
CA (1) CA77914A (fr)

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