CA884464A - Telephoning system - Google Patents

Telephoning system

Info

Publication number
CA884464A
CA884464A CA884464A CA884464DA CA884464A CA 884464 A CA884464 A CA 884464A CA 884464 A CA884464 A CA 884464A CA 884464D A CA884464D A CA 884464DA CA 884464 A CA884464 A CA 884464A
Authority
CA
Canada
Prior art keywords
telephoning
telephoning system
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
CA884464A
Inventor
Colman Robert
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.)
General Alarm Corp
Original Assignee
General Alarm Corp
Publication date
Application granted granted Critical
Publication of CA884464A publication Critical patent/CA884464A/en
Expired legal-status Critical Current

Links

CA884464A Telephoning system Expired CA884464A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA884464T

Publications (1)

Publication Number Publication Date
CA884464A true CA884464A (en) 1971-10-26

Family

ID=36390788

Family Applications (1)

Application Number Title Priority Date Filing Date
CA884464A Expired CA884464A (en) Telephoning system

Country Status (1)

Country Link
CA (1) CA884464A (en)

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