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

Edward Vezirian

E - Fixed Constructions – 21 – B

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Country: United States Of America

Controlled true geometry rock bit with one piece body

E - Fixed Constructions – 21 – B
Patent

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Friction bearing and cone retention thrust system for a rock...

E - Fixed Constructions – 21 – B
Patent

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Rock bit cone retention means

E - Fixed Constructions – 21 – B
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Controlled true geometry rock bit with one piece body

E - Fixed Constructions – 21 – B
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Friction bearing and cone retention thrust system for a rock...

E - Fixed Constructions – 21 – B
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

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Profile ID: LFCA-PAI-P-1186526

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