Optical: systems and elements – Projection screen – Roll up screen
Reexamination Certificate
2005-03-29
2005-03-29
Dowling, William C. (Department: 2851)
Optical: systems and elements
Projection screen
Roll up screen
C160S903000, C160S023100
Reexamination Certificate
active
06873461
ABSTRACT:
A screen system is disclosed for displaying an image projected by a projector or for partially or fully blocking light from entering a room. The screen system includes a housing and a screen assembly. The housing includes a plurality of extruded housing segment and at least one coupler configured to couple the segments together.
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Baker & Daniels
Dowling William C.
Draper, Inc.
Hedges Norman J.
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