4. Boring or penetrating the earth
  5. With tool shaft detail
  6. Shaft carried guide or protector

Wayne A. Case

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Downhole tool with replaceable tool sleeve sections

Boring or penetrating the earth – With tool shaft detail – Shaft carried guide or protector
Patent

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Gage for measuring fluted oil field tubular members

Geometrical instruments – Area integrators – Electrical
Patent

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Liquid purification system

Chemical apparatus and process disinfecting – deodorizing – preser – Process disinfecting – preserving – deodorizing – or sterilizing – Using sonic or ultrasonic energy
Reexamination Certificate

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Rotational imbalance compensator

Machine element or mechanism – Elements – Flywheel – motion smoothing-type
Reexamination Certificate

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Profile ID: LFUS-PAI-P-941139

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