CA300628A - Dispositif acoustique - Google Patents

Dispositif acoustique

Info

Publication number: CA300628A
Authority: CA; Canada
Prior art keywords: acoustic device; acoustic
Prior art date: 1930-05-27
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

CA300628A

Other languages

English (en)

Inventor

A. Schlenker Vesper

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

1930-05-27

1930-05-27 Application granted granted Critical

1930-05-27 Publication of CA300628A publication Critical patent/CA300628A/fr

Status Expired legal-status Critical Current

Links

CA300628A Dispositif acoustique Expired CA300628A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA300628T

Publications (1)

Publication Number	Publication Date
CA300628A true CA300628A (fr)	1930-05-27

Family

ID=35237947

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA300628A Expired CA300628A (fr)			Dispositif acoustique

Country Status (1)

Country	Link
CA (1)	CA300628A (fr)

0
- CA CA300628A patent/CA300628A/fr not_active Expired

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