4. Education and demonstration
  5. Means for demonstrating apparatus, product, or surface...
  6. Chalkboard or equivalent means having easily erasable surface

Robert C. Wayner

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Furniture system

Supports: cabinet structure – Components spaced from bottom wall
Reexamination Certificate

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Mobile display board arrangement

Education and demonstration – Means for demonstrating apparatus – product – or surface... – Chalkboard or equivalent means having easily erasable surface
Patent

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Mobile marker board

Office supplies; artists and teachers materials – Equipment for writing – drawing – or for fine arts – Writing or drawing surface – e.g. – blackboard – drawing board,...
Patent

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Profile ID: LFUS-PAI-P-688392

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