4. Stock material or miscellaneous articles
  5. All metal or with adjacent metals
  6. Having composition, density, or hardness gradient

David S. Darrow

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Abrasion-resistant coating

Stock material or miscellaneous articles – All metal or with adjacent metals – Having composition – density – or hardness gradient
Patent

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Abrasion-resistant coating

Stock material or miscellaneous articles – All metal or with adjacent metals – Having composition – density – or hardness gradient
Patent

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Classifying cyclone

Classifying – separating – and assorting solids – Fluid suspension – Gaseous
Patent

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Polyimide with reduced anhydride content

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof
Patent

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Profile ID: LFUS-PAI-P-495849

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