CA174443A - Registre d'appels telephoniques - Google Patents

Registre d'appels telephoniques

Info

Publication number
CA174443A
CA174443A CA000174443A CA174443DA CA174443A CA 174443 A CA174443 A CA 174443A CA 000174443 A CA000174443 A CA 000174443A CA 174443D A CA174443D A CA 174443DA CA 174443 A CA174443 A CA 174443A
Authority
CA
Canada
Prior art keywords
telephone call
call recorder
recorder
telephone
call
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
CA000174443A
Other languages
English (en)
Inventor
Bernhard Gardner
Rudolph Berliner
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 CA174443A publication Critical patent/CA174443A/fr
Expired legal-status Critical Current

Links

CA000174443A 1916-07-04 1916-07-04 Registre d'appels telephoniques Expired CA174443A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA174443T 1916-07-04

Publications (1)

Publication Number Publication Date
CA174443A true CA174443A (fr) 1917-01-09

Family

ID=45294096

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000174443A Expired CA174443A (fr) 1916-07-04 1916-07-04 Registre d'appels telephoniques

Country Status (1)

Country Link
CA (1) CA174443A (fr)

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