CA237255A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA237255A
CA237255A CA237255A CA237255DA CA237255A CA 237255 A CA237255 A CA 237255A CA 237255 A CA237255 A CA 237255A CA 237255D A CA237255D A CA 237255DA CA 237255 A CA237255 A CA 237255A
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
CA237255A
Other languages
French (fr)
Inventor
E. Gardner John
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.)
Nortel Networks Ltd
Original Assignee
Northern Electric Co Ltd
Publication date
Application granted granted Critical
Publication of CA237255A publication Critical patent/CA237255A/en
Expired legal-status Critical Current

Links

CA237255A Telephone system Expired CA237255A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA237255T

Publications (1)

Publication Number Publication Date
CA237255A true CA237255A (en) 1924-01-22

Family

ID=35141284

Family Applications (1)

Application Number Title Priority Date Filing Date
CA237255A Expired CA237255A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA237255A (en)

Similar Documents

Publication Publication Date Title
CA237629A (en) Telephone system
CA238910A (en) Telephone system
CA243192A (en) Telephone system
CA243642A (en) Telephone system
CA243398A (en) Telephone system
CA243195A (en) Telephone system
CA243194A (en) Telephone system
CA238906A (en) Telephone system
CA243191A (en) Telephone system
CA243190A (en) Telephone system
CA243189A (en) Telephone system
CA243186A (en) Telephone system
CA238905A (en) Telephone system
CA243184A (en) Telephone system
CA243183A (en) Telephone system
CA243173A (en) Telephone system
CA241290A (en) Telephone system
CA241108A (en) Telephone system
CA240846A (en) Telephone system
CA237255A (en) Telephone system
CA237105A (en) Telephone system
CA238909A (en) Telephone system
CA240646A (en) Telephone system
CA238911A (en) Telephone system
CA239745A (en) Telephone system