CA351094A - Matrice pour empreintes phonographiques - Google Patents

Matrice pour empreintes phonographiques

Info

Publication number: CA351094A
Authority: CA; Canada
Prior art keywords: phonograph record; record matrix; matrix; phonograph; record
Prior art date: 1935-06-18
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

CA351094A

Other languages

English (en)

Inventor

Merton Patterson Everett

Gaddis Russell Alexander

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

1935-06-18

1935-06-18 Application granted granted Critical

1935-06-18 Publication of CA351094A publication Critical patent/CA351094A/fr

Status Expired legal-status Critical Current

Links

239000011159 matrix material Substances 0.000 title 1

CA351094A Matrice pour empreintes phonographiques Expired CA351094A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA351094T

Publications (1)

Publication Number	Publication Date
CA351094A true CA351094A (fr)	1935-06-18

Family

ID=35339058

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA351094A Expired CA351094A (fr)			Matrice pour empreintes phonographiques

Country Status (1)

Country	Link
CA (1)	CA351094A (fr)

0
- CA CA351094A patent/CA351094A/fr not_active Expired

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