CA627853A - Projection picture screen - Google Patents

Projection picture screen

Info

Publication number
CA627853A
CA627853A CA627853A CA627853DA CA627853A CA 627853 A CA627853 A CA 627853A CA 627853 A CA627853 A CA 627853A CA 627853D A CA627853D A CA 627853DA CA 627853 A CA627853 A CA 627853A
Authority
CA
Canada
Prior art keywords
picture screen
projection picture
projection
screen
picture
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
CA627853A
Inventor
T. Betz Howard
L. Sowers Hal
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.)
DA-LITE SCREEN Co
Original Assignee
DA-LITE SCREEN Co
Publication date
Application granted granted Critical
Publication of CA627853A publication Critical patent/CA627853A/en
Expired legal-status Critical Current

Links

CA627853A Projection picture screen Expired CA627853A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA627853T

Publications (1)

Publication Number Publication Date
CA627853A true CA627853A (en) 1961-09-19

Family

ID=35883023

Family Applications (1)

Application Number Title Priority Date Filing Date
CA627853A Expired CA627853A (en) Projection picture screen

Country Status (1)

Country Link
CA (1) CA627853A (en)

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