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CA646402A - Announcing system - Google Patents

Announcing system

Info

Publication number
CA646402A
CA646402A CA646402A CA646402DA CA646402A CA 646402 A CA646402 A CA 646402A CA 646402 A CA646402 A CA 646402A CA 646402D A CA646402D A CA 646402DA CA 646402 A CA646402 A CA 646402A
Authority
CA
Canada
Prior art keywords
announcing system
announcing
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
CA646402A
Inventor
A. Miller Robert
M. Owendoff Harold
M. Taris Charles
E. Munson Verne
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 CA646402A publication Critical patent/CA646402A/en
Expired legal-status Critical Current

Links

CA646402A Announcing system Expired CA646402A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA646402T

Publications (1)

Publication Number Publication Date
CA646402A true CA646402A (en) 1962-08-07

Family

ID=35935056

Family Applications (1)

Application Number Title Priority Date Filing Date
CA646402A Expired CA646402A (en) Announcing system

Country Status (1)

Country Link
CA (1) CA646402A (en)

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