1
Silas Creel: Collapsible projection screen systems. Amster Rothstein & Ebenstein, October 11, 2011: US08035893 (2 worldwide citation)

A collapsible projection screen system mountable on or at a moveable carriage (10), the system comprising a flexible projection screen (16) moveable between a collapsed position and an erect position in which the screen (16) is supported by a support arrangement (14, 15), and a screen tensioning mec ...


2
Silas Creel: Collapsible Projection Screen Systems. Amster Rothstein & Ebenstein, February 7, 2008: US20080030853-A1

A collapsible projection screen system mountable on or at a moveable carriage (10), the system comprising a flexible projection screen (16) moveable between a collapsed position and an erect position in which the screen (16) is supported by a support arrangement (14, 15), and a screen tensioning mec ...



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