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

Samuel Lee Penny

Inventor

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Bearing separator and sealing system for rock bit

Cutlery
Patent

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Cantilevered roller separator for rock bit bearings

Cutlery
Patent

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Cone locking system for a rotary rock bit

Metal tools and implements – making – Blank or process – Drill
Patent

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Roller separator for bit bearings

Cutlery
Patent

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Sealing system for a rotary rock bit

Boring or penetrating the earth – Bit or bit element – Rolling cutter bit or rolling cutter bit element
Patent

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Profile ID: LFUS-PAI-P-469901

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