4. E - Fixed Constructions
  5. 21
  6. B

Chris E. Cawthorne

E - Fixed Constructions – 21 – B

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Inventor

Country: United States Of America

Bearing and lubrication system for earth boring bit

E - Fixed Constructions – 21 – B
Patent

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Bearing and lubrication system for earth boring bit

E - Fixed Constructions – 21 – B
Patent

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Composite rock bit seal

E - Fixed Constructions – 21 – B
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Cutter element with non-rectilinear crest

E - Fixed Constructions – 21 – B
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Directional flow nozzle retention body

E - Fixed Constructions – 21 – B
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Profile ID: LFCA-PAI-P-1072415

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