CA143831A - Appareil a enregistrer les sons - Google Patents

Appareil a enregistrer les sons

Info

Publication number: CA143831A
Authority: CA; Canada
Prior art keywords: recording apparatus; sound recording; sound; recording
Prior art date: 1912-09-21
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

CA000143831A

Other languages

English (en)

Inventor

John Noll

Eugene Del Mear

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.)

Individual

Original Assignee

Individual

Priority date (The priority date 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 date listed.)

1912-09-21

Filing date

1912-09-21

Publication date

1912-11-05

1912-09-21 Application filed by Individual filed Critical Individual

1912-11-05 Application granted granted Critical

1912-11-05 Publication of CA143831A publication Critical patent/CA143831A/fr

Status Expired legal-status Critical Current

Links

CA000143831A 1912-09-21 1912-09-21 Appareil a enregistrer les sons Expired CA143831A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA143831T		1912-09-21

Publications (1)

Publication Number	Publication Date
CA143831A true CA143831A (fr)	1912-11-05

Family

ID=45263546

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000143831A Expired CA143831A (fr)	1912-09-21	1912-09-21	Appareil a enregistrer les sons

Country Status (1)

Country	Link
CA (1)	CA143831A (fr)

1912
- 1912-09-21 CA CA000143831A patent/CA143831A/fr not_active Expired

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