4. Optical: systems and elements
  5. Projection screen

Hideo Takamoto

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Combination writing board/reflecting screen sheet

Stock material or miscellaneous articles – Structurally defined web or sheet – Including variation in thickness
Reexamination Certificate

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Portable screen assembly

Optical: systems and elements – Projection screen – Roll up screen
Reexamination Certificate

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Portable screen assembly

Optical: systems and elements – Projection screen – Roll up screen
Reexamination Certificate

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Portable screen assembly for use with a projector

Optical: systems and elements – Projection screen
Patent

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Reflection type screen for projectors

Optical: systems and elements – Projection screen – With reflector or additional screen
Reexamination Certificate

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Profile ID: LFUS-PAI-P-996555

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