CA737060A - Loud-speaking telephone - Google Patents

Loud-speaking telephone

Info

Publication number
CA737060A
CA737060A CA737060A CA737060DA CA737060A CA 737060 A CA737060 A CA 737060A CA 737060 A CA737060 A CA 737060A CA 737060D A CA737060D A CA 737060DA CA 737060 A CA737060 A CA 737060A
Authority
CA
Canada
Prior art keywords
loud
speaking telephone
speaking
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
CA737060A
Inventor
F. Clemency William
Walter D. Goodale, Jr.
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 CA737060A publication Critical patent/CA737060A/en
Expired legal-status Critical Current

Links

CA737060A Loud-speaking telephone Expired CA737060A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA737060T

Publications (1)

Publication Number Publication Date
CA737060A true CA737060A (en) 1966-06-21

Family

ID=36135214

Family Applications (1)

Application Number Title Priority Date Filing Date
CA737060A Expired CA737060A (en) Loud-speaking telephone

Country Status (1)

Country Link
CA (1) CA737060A (en)

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