CA405991A - Dispositif acoustique - Google Patents

Dispositif acoustique

Info

Publication number: CA405991A
Authority: CA; Canada
Prior art keywords: acoustic device; acoustic
Prior art date: 1942-07-07
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

CA405991A

Other languages

English (en)

Inventor

Agassiz Morrison Louis

Elmer Mott Edward

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

1942-07-07

1942-07-07 Application granted granted Critical

1942-07-07 Publication of CA405991A publication Critical patent/CA405991A/fr

Status Expired legal-status Critical Current

Links

CA405991A Dispositif acoustique Expired CA405991A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA405991T

Publications (1)

Publication Number	Publication Date
CA405991A true CA405991A (fr)	1942-07-07

Family

ID=35417291

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA405991A Expired CA405991A (fr)			Dispositif acoustique

Country Status (1)

Country	Link
CA (1)	CA405991A (fr)

0
- CA CA405991A patent/CA405991A/fr not_active Expired

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