CA322348A - Signalling device - Google Patents

Signalling device

Info

Publication number
CA322348A
CA322348A CA322348A CA322348DA CA322348A CA 322348 A CA322348 A CA 322348A CA 322348 A CA322348 A CA 322348A CA 322348D A CA322348D A CA 322348DA CA 322348 A CA322348 A CA 322348A
Authority
CA
Canada
Prior art keywords
signalling device
signalling
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
CA322348A
Other languages
French (fr)
Inventor
St. Clair Garvin 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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
Publication date
Application granted granted Critical
Publication of CA322348A publication Critical patent/CA322348A/en
Expired legal-status Critical Current

Links

CA322348A Signalling device Expired CA322348A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA322348T

Publications (1)

Publication Number Publication Date
CA322348A true CA322348A (en) 1932-05-10

Family

ID=35282901

Family Applications (1)

Application Number Title Priority Date Filing Date
CA322348A Expired CA322348A (en) Signalling device

Country Status (1)

Country Link
CA (1) CA322348A (en)

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