4. Radiant energy
  5. Invisible radiant energy responsive electric signalling
  6. With or including a luminophor

Larry D. Frederick

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Armored detector having explosion proof enclosure

Radiant energy – Photocells; circuits and apparatus – Housings
Reexamination Certificate

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Compound optical coupler and support mechanism

Radiant energy – Geological testing or irradiation – Well testing apparatus and methods
Reexamination Certificate

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Compound optical coupler and support mechanism

Radiant energy – Invisible radiant energy responsive electric signalling – With or including a luminophor
Reexamination Certificate

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Flexible dynamic housing

Radiant energy – Invisible radiant energy responsive electric signalling – With or including a luminophor
Reexamination Certificate

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Geosteering detectors for boring-type continuous miners

Mining or in situ disintegration of hard material – Automatic control; signaling or indicating – Ore/rock interface determination during cutting
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Profile ID: LFUS-PAI-P-1248028

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