CA243398A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA243398A
CA243398A CA243398A CA243398DA CA243398A CA 243398 A CA243398 A CA 243398A CA 243398 A CA243398 A CA 243398A CA 243398D A CA243398D A CA 243398DA CA 243398 A CA243398 A CA 243398A
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
CA243398A
Other languages
English (en)
Inventor
M. Ashworth Edward
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 CA243398A publication Critical patent/CA243398A/fr
Expired legal-status Critical Current

Links

CA243398A Systeme telephonique Expired CA243398A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA243398T

Publications (1)

Publication Number Publication Date
CA243398A true CA243398A (fr) 1924-10-07

Family

ID=35147425

Family Applications (1)

Application Number Title Priority Date Filing Date
CA243398A Expired CA243398A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA243398A (fr)

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