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

The Ohio Art Company

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Corporate Assignee

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Air brush paint set container

Office supplies; artists and teachers materials – Equipment for writing – drawing – or for fine arts
Patent

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Color drawing toy

Geometrical instruments – Scriber
Patent

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Drawing device

Geometrical instruments – Scriber
Patent

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Drawing device with multimedia enhancement

Geometrical instruments – Scriber
Patent

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Drawing screen

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-81215

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