CA48088A - Telephone signalling device - Google Patents

Telephone signalling device

Info

Publication number
CA48088A
CA48088A CA000048088A CA48088DA CA48088A CA 48088 A CA48088 A CA 48088A CA 000048088 A CA000048088 A CA 000048088A CA 48088D A CA48088D A CA 48088DA CA 48088 A CA48088 A CA 48088A
Authority
CA
Canada
Prior art keywords
signalling device
telephone signalling
telephone
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
CA000048088A
Other languages
French (fr)
Inventor
Fred. H. Brown
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.)
DALRYMPLE JOHN E
Original Assignee
DALRYMPLE JOHN E
Publication date
Application granted granted Critical
Publication of CA48088A publication Critical patent/CA48088A/en
Expired legal-status Critical Current

Links

CA000048088A Telephone signalling device Expired CA48088A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA48088T

Publications (1)

Publication Number Publication Date
CA48088A true CA48088A (en) 1895-02-01

Family

ID=45164628

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000048088A Expired CA48088A (en) Telephone signalling device

Country Status (1)

Country Link
CA (1) CA48088A (en)

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