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

Karl-Hermann Weyel

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Mechanism for vertically movably supporting a board member on a

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

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Table with extending supports

Furnishings – Furniture – freestanding support – or frame therefor – Work surface – storage – merchandising or display unit
Patent

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Profile ID: LFUS-PAI-P-787855

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