CA334555A - Ecran de projection - Google Patents

Ecran de projection

Info

Publication number
CA334555A
CA334555A CA334555A CA334555DA CA334555A CA 334555 A CA334555 A CA 334555A CA 334555 A CA334555 A CA 334555A CA 334555D A CA334555D A CA 334555DA CA 334555 A CA334555 A CA 334555A
Authority
CA
Canada
Prior art keywords
projection screen
projection
screen
Prior art date
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
CA334555A
Other languages
English (en)
Inventor
F. Newman David
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.)
Trans Lux Daylight Picture Screen Corp
Original Assignee
David F Newman
Trans Lux Daylight Picture Screen Corp
Publication date
Application granted granted Critical
Publication of CA334555A publication Critical patent/CA334555A/fr
Expired legal-status Critical Current

Links

CA334555A Ecran de projection Expired CA334555A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA334555T

Publications (1)

Publication Number Publication Date
CA334555A true CA334555A (fr) 1933-08-01

Family

ID=35297696

Family Applications (1)

Application Number Title Priority Date Filing Date
CA334555A Expired CA334555A (fr) Ecran de projection

Country Status (1)

Country Link
CA (1) CA334555A (fr)

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