CA824412A - Projection screen - Google Patents

Projection screen

Info

Publication number
CA824412A
CA824412A CA824412A CA824412DA CA824412A CA 824412 A CA824412 A CA 824412A CA 824412 A CA824412 A CA 824412A CA 824412D A CA824412D A CA 824412DA CA 824412 A CA824412 A CA 824412A
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
CA824412A
Inventor
H. Vetter Richard
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.)
D-150
Original Assignee
D-150
Publication date
Application granted granted Critical
Publication of CA824412A publication Critical patent/CA824412A/en
Expired legal-status Critical Current

Links

CA824412A Projection screen Expired CA824412A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA824412T

Publications (1)

Publication Number Publication Date
CA824412A true CA824412A (en) 1969-10-07

Family

ID=36301838

Family Applications (1)

Application Number Title Priority Date Filing Date
CA824412A Expired CA824412A (en) Projection screen

Country Status (1)

Country Link
CA (1) CA824412A (en)

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