4. Radiant energy
  5. Geological testing or irradiation

Harold O. Seigel

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Apparatus for automatically determining the position at which a

Optics: measuring and testing – Angle measuring or angular axial alignment – With photodetection remote from measured angle
Patent

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Detection of certain minerals of zinc, tungsten, fluorine, molyb

Radiant energy – Geological testing or irradiation
Patent

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Mapping of pipeline grounding points by airborne or ground...

Electricity: measuring and testing – For insulation fault of noncircuit elements
Reexamination Certificate

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Method and apparatus for detecting, locating and resolving...

Electricity: measuring and testing – Of geophysical surface or subsurface in situ – By aerial survey
Reexamination Certificate

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Method and apparatus for mapping the trajectory in the...

Geometrical instruments – Indicator of direction of force traversing natural media – Borehole direction or inclination
Reexamination Certificate

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Profile ID: LFUS-PAI-P-632844

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