CA381916A - Systeme de projection - Google Patents

Systeme de projection

Info

Publication number
CA381916A
CA381916A CA381916A CA381916DA CA381916A CA 381916 A CA381916 A CA 381916A CA 381916 A CA381916 A CA 381916A CA 381916D A CA381916D A CA 381916DA CA 381916 A CA381916 A CA 381916A
Authority
CA
Canada
Prior art keywords
projection system
projection
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
CA381916A
Other languages
English (en)
Inventor
Elmer Weller Frank
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 Corp
Original Assignee
Frank Elmer Weller
Trans Lux Corp
Publication date
Application granted granted Critical
Publication of CA381916A publication Critical patent/CA381916A/fr
Expired legal-status Critical Current

Links

CA381916A Systeme de projection Expired CA381916A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA381916T

Publications (1)

Publication Number Publication Date
CA381916A true CA381916A (fr) 1939-06-06

Family

ID=35387151

Family Applications (1)

Application Number Title Priority Date Filing Date
CA381916A Expired CA381916A (fr) Systeme de projection

Country Status (1)

Country Link
CA (1) CA381916A (fr)

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