4. Abrasive tool making process, material, or composition
  5. With carbohydrate or reaction product thereof

Arthur T. Powell

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Apparatus and method for cutting and grinding masonry units

Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent

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Retaining wall block

Building units and construction elements – Architectural stock material – Construction block or brick type
Patent

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Retaining wall block

Building units and construction elements – Architectural stock material – Construction block or brick type
Patent

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Profile ID: LFUS-PAI-P-555020

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