4. Metal tools and implements, making
  5. Blank or process
  6. Drill

Peter Raymond Hughes

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Dual-edge working surfaces for polycrystalline diamond...

Boring or penetrating the earth – Processes
Reexamination Certificate

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High volume density polycrystalline diamond with working...

Stock material or miscellaneous articles – Self-sustaining carbon mass or layer with impregnant or...
Reexamination Certificate

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High volume density polycrystalline diamond with working...

Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Physical dimension specified
Reexamination Certificate

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High volume density polycrystalline diamond with working...

Abrasive tool making process – material – or composition – With inorganic material – Metal or metal oxide
Reexamination Certificate

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Method of machining of polycrystalline diamond

Coating processes – Foraminous product produced – Metal base
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Profile ID: LFUS-PAI-P-2487472

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