CA648225A - Magnetic sound recording - Google Patents

Magnetic sound recording

Info

Publication number: CA648225A
Authority: CA; Canada
Prior art keywords: sound recording; magnetic sound; magnetic; recording; sound
Prior art date: 1962-09-11
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

CA648225A

Inventor

P. Alles Francis

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.)

EIDP Inc

Original Assignee

EI Du Pont de Nemours and Co

Publication date

1962-09-11

1962-09-11 Application granted granted Critical

1962-09-11 Publication of CA648225A publication Critical patent/CA648225A/en

Status Expired legal-status Critical Current

Links

CA648225A Magnetic sound recording Expired CA648225A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA648225T

Publications (1)

Publication Number	Publication Date
CA648225A true CA648225A (en)	1962-09-11

Family

ID=35936873

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA648225A Expired CA648225A (en)			Magnetic sound recording

Country Status (1)

Country	Link
CA (1)	CA648225A (en)

0
- CA CA648225A patent/CA648225A/en not_active Expired

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