4. Mining or in situ disintegration of hard material
  5. Cutter tooth or tooth head
  6. Rolling or rotatable bit

John S. Van Kirk

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Composite cermet articles and method of making

Stock material or miscellaneous articles – Structurally defined web or sheet – Including components having same physical characteristic in...
Patent

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Composite cermet articles and method of making

Specialized metallurgical processes – compositions for use therei – Compositions – Consolidated metal powder compositions
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Composite cermet articles and method of making

Powder metallurgy processes – Powder metallurgy processes with heating or sintering – Metal and nonmetal in final product
Patent

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Composite cermet articles and method of making

Stock material or miscellaneous articles – Structurally defined web or sheet – Including components having same physical characteristic in...
Patent

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Composite cermet articles and method of making

Stock material or miscellaneous articles – Structurally defined web or sheet – Including components having same physical characteristic in...
Patent

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