AU227504B2 - Improvements in projection screens - Google Patents

Improvements in projection screens

Info

Publication number
AU227504B2
AU227504B2 AU45628/59A AU4562859A AU227504B2 AU 227504 B2 AU227504 B2 AU 227504B2 AU 45628/59 A AU45628/59 A AU 45628/59A AU 4562859 A AU4562859 A AU 4562859A AU 227504 B2 AU227504 B2 AU 227504B2
Authority
AU
Australia
Prior art keywords
projection screens
screens
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
AU45628/59A
Other versions
AU4562859A (en
Inventor
Michael Denton John
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.)
Individual
Original Assignee
Individual
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of AU227504B2 publication Critical patent/AU227504B2/en
Publication of AU4562859A publication Critical patent/AU4562859A/en
Expired legal-status Critical Current

Links

AU45628/59A 1959-02-05 Improvements in projection screens Expired AU227504B2 (en)

Publications (2)

Publication Number Publication Date
AU227504B2 true AU227504B2 (en) 1959-08-06
AU4562859A AU4562859A (en) 1959-08-06

Family

ID=

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