CA419809A - Ecran de projection - Google Patents

Ecran de projection

Info

Publication number
CA419809A
CA419809A CA419809A CA419809DA CA419809A CA 419809 A CA419809 A CA 419809A CA 419809 A CA419809 A CA 419809A CA 419809D A CA419809D A CA 419809DA CA 419809 A CA419809 A CA 419809A
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
CA419809A
Other languages
English (en)
Inventor
E. Jelley Edwin
C. Staehle Henry
David E. Bennett, Jr.
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.)
Canadian Kodak Co Ltd
Original Assignee
Canadian Kodak Co Ltd
Publication date
Application granted granted Critical
Publication of CA419809A publication Critical patent/CA419809A/fr
Expired legal-status Critical Current

Links

CA419809A Ecran de projection Expired CA419809A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA419809T

Publications (1)

Publication Number Publication Date
CA419809A true CA419809A (fr) 1944-04-25

Family

ID=35529102

Family Applications (1)

Application Number Title Priority Date Filing Date
CA419809A Expired CA419809A (fr) Ecran de projection

Country Status (1)

Country Link
CA (1) CA419809A (fr)

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