CA354989A - Appareil de projection sur ecran - Google Patents

Appareil de projection sur ecran

Info

Publication number: CA354989A
Authority: CA; Canada
Prior art keywords: projection apparatus; screen projection; slide screen; slide; screen
Prior art date: 1935-12-31
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

CA354989A

Other languages

English (en)

Inventor

Milbank Fegan Dudley

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

Publication date

1935-12-31

1935-12-31 Application granted granted Critical

1935-12-31 Publication of CA354989A publication Critical patent/CA354989A/fr

Status Expired legal-status Critical Current

Links

CA354989A Appareil de projection sur ecran Expired CA354989A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA354989T

Publications (1)

Publication Number	Publication Date
CA354989A true CA354989A (fr)	1935-12-31

Family

ID=35342951

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA354989A Expired CA354989A (fr)			Appareil de projection sur ecran

Country Status (1)

Country	Link
CA (1)	CA354989A (fr)

0
- CA CA354989A patent/CA354989A/fr not_active Expired

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