4. Optics: measuring and testing
  5. By light interference
  6. Using fiber or waveguide interferometer

Richard A. Johnson

Attorney

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DC and AC uninterruptible power supply

Electrical transmission or interconnection systems – Plural supply circuits or sources – Substitute or emergency source
Reexamination Certificate

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Fiber optic sensing device for measuring a physical parameter

Optics: measuring and testing – By light interference – Using fiber or waveguide interferometer
Reexamination Certificate

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Optical flow meter for measuring gases and liquids in pipelines

Optics: measuring and testing – By particle light scattering – With photocell detection
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Tremolo assembly

Music – Instruments – Stringed
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Profile ID: LFUS-PAI-P-2992008

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