CA375318A - Two-way telephone system - Google Patents

Two-way telephone system

Info

Publication number
CA375318A
CA375318A CA375318A CA375318DA CA375318A CA 375318 A CA375318 A CA 375318A CA 375318 A CA375318 A CA 375318A CA 375318D A CA375318D A CA 375318DA CA 375318 A CA375318 A CA 375318A
Authority
CA
Canada
Prior art keywords
telephone system
way telephone
way
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
CA375318A
Other languages
French (fr)
Inventor
Joseph Hughes Wassell Harold
Pennington Wykes Jack
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.)
CMC Electronics Inc
Original Assignee
Canadian Marconi Co
Publication date
Application granted granted Critical
Publication of CA375318A publication Critical patent/CA375318A/en
Expired legal-status Critical Current

Links

CA375318A Two-way telephone system Expired CA375318A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA375318T

Publications (1)

Publication Number Publication Date
CA375318A true CA375318A (en) 1938-07-26

Family

ID=35379642

Family Applications (1)

Application Number Title Priority Date Filing Date
CA375318A Expired CA375318A (en) Two-way telephone system

Country Status (1)

Country Link
CA (1) CA375318A (en)

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