4. Radiant energy
  5. Photocells; circuits and apparatus
  6. Optical or pre-photocell system

Randy R. Kirkham

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Apparatus and method for calibrating downward viewing image...

Optics: measuring and testing – Standard – Surface standard
Reexamination Certificate

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Fiber optic moisture sensor with moisture-absorbing reflective t

Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent

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Fluid flow measuring devices and methods for determining...

Measuring and testing – Volume or rate of flow – Using differential pressure
Reexamination Certificate

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Method and apparatus for selectively detecting one of two immisc

Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent

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Profile ID: LFUS-PAI-P-670739

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