4. Optical: systems and elements
  5. Projection screen
  6. Border, mask, shade, or curtain

David Manthei

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Projection screen masking system

Optical: systems and elements – Projection screen – Border – mask – shade – or curtain
Patent

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Retention system for operable flexible shades

Flexible or portable closure – partition – or panel – With hood – canopy – shield storage chamber – or outrigged... – For roll type
Patent

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Profile ID: LFUS-PAI-P-611108

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