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

Gregory L. Hern

E - Fixed Constructions – 21 – B

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Country: United States Of America

Cutter assembly having a plurality of independently...

E - Fixed Constructions – 21 – B
Patent

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Earth boring bit with axially radiussed roller bearing race

E - Fixed Constructions – 21 – B
Patent

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Flow through raise boring bit

E - Fixed Constructions – 21 – B
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Hydraulic wireline cutter

E - Fixed Constructions – 21 – B
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One-trip window milling apparatus & method with...

E - Fixed Constructions – 21 – B
Patent

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Earth boring bit with axially radiussed roller bearing race

E - Fixed Constructions – 21 – B
Patent

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Profile ID: LFCA-PAI-P-1120024

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