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Mouse hole chuck

E - Fixed Constructions – 21 – B
Patent

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Mouse hole damper device

E - Fixed Constructions – 21 – B
Patent

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Movable cutting machine

E - Fixed Constructions – 21 – C
Patent

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Movable joint bent sub

E - Fixed Constructions – 21 – B
Patent

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Movable working platform for use in racking drill pipe

E - Fixed Constructions – 21 – B
Patent

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Movement of marine structures in saline ice

E - Fixed Constructions – 21 – B
Patent

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Moving hydrocarbons through portions of tar sands formations...

E - Fixed Constructions – 21 – B
Patent

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Mowing machines

E - Fixed Constructions – 21 – B
Patent

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Mud actuated drilling tool

E - Fixed Constructions – 21 – B
Patent

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Mud by-pass regulator apparatus for measurement while...

E - Fixed Constructions – 21 – B
Patent

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Mud cake probe extension

E - Fixed Constructions – 21 – B
Patent

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Mud check valves in drilling apparatus (wells)

E - Fixed Constructions – 21 – B
Patent

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Mud flow back valve

E - Fixed Constructions – 21 – B
Patent

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Mud pulse landing assembly for use in directional drilling

E - Fixed Constructions – 21 – B
Patent

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Mud pulse landing assembly for use in directional drilling

E - Fixed Constructions – 21 – B
Patent

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Mud pulser

E - Fixed Constructions – 21 – B
Patent

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Mud pump modules with surge dampeners

E - Fixed Constructions – 21 – B
Patent

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Mud retaining valve

E - Fixed Constructions – 21 – B
Patent

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Mud saver valve

E - Fixed Constructions – 21 – B
Patent

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Mud saver valve

E - Fixed Constructions – 21 – B
Patent

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