4. Mining or in situ disintegration of hard material
  5. Miscellaneous

William S. Clapham

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Cutter picks

Mining or in situ disintegration of hard material – Miscellaneous
Patent

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Mineral cutter pick

Mining or in situ disintegration of hard material – Cutter tooth or tooth head – Cleansing fluid passage
Patent

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Mineral cutter tip and pick

Cutlery – Cutting tools – Hatchet – ax – or adze
Patent

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Mineral cutter tooling system

Boring or penetrating the earth – Bit or bit element – Specific or diverse material
Patent

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Profile ID: LFUS-PAI-P-301772

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