4. Mining or in situ disintegration of hard material
  5. Cutter tooth or tooth head

John W. Haddock

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Floor surface treatment apparatus with dolly

Land vehicles – Wheeled – Tiltable vehicles – stabilized by attendant or article
Reexamination Certificate

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Mineral cutting pick insert shape

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

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Profile ID: LFUS-PAI-P-1977838

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