4. Optical: systems and elements
  5. Projection screen
  6. Roll up screen

Krapf Business Systems, Inc.

Corporate Assignee

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Adjustable viewing screen housing and display device

Optical: systems and elements – Projection screen – Roll up screen
Patent

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Composite lightweight beam for a freestanding display or the lik

Static structures (e.g. – buildings) – Machine or implement
Patent

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Weldment-free document holder

Supports: racks – Special article – Stacked articles
Patent

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Profile ID: LFUS-PAI-P-1344692

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