4. Boring or penetrating the earth
  5. Bit or bit element
  6. Specific or diverse material

Kenneth E. Bertagnolli

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Apparatuses and methods relating to cooling a subterranean...

Boring or penetrating the earth – With heating or cooling drilling fluid
Reexamination Certificate

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Polycrystalline diamond apparatuses and methods of manufacture

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

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Polycrystalline diamond compact (PDC) cutting element having...

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

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Polycrystalline diamond compact (PDC) cutting element having...

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Polycrystalline diamond compact (PDC) cutting element having...

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0

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Profile ID: LFUS-PAI-P-2129957

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