4. Optics: measuring and testing
  5. By particle light scattering
  6. With photocell detection

Roger G. Johnston

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Apparatus and method for performing two-frequency interferometry

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

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Enhanced tamper indicator

Closure fasteners – Seals – Encasing
Reexamination Certificate

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Fluid sampling tool

Measuring and testing – Sampler – sample handling – etc. – Capture device
Patent

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Fluid sampling tool

Fluid handling – With repair – tapping – assembly – or disassembly means – Tapping a pipe – keg – or apertured tank under pressure
Patent

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Fluid sampling tool

Measuring and testing – Sampler – sample handling – etc. – Capture device
Reexamination Certificate

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Profile ID: LFUS-PAI-P-104453

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