4. Radiant energy
  5. Calibration or standardization methods

Roger F. Edgar

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Absorption gauge for determining the thickness, moisture content

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

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Apparatus for measuring a radiation affecting parameter of a fil

Optics: measuring and testing – Infrared and ultraviolet
Patent

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Calibration standard for infrared absorption gauge

Radiant energy – Calibration or standardization methods
Patent

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Method and apparatus for sensing or determining one or more prop

Optics: measuring and testing – By shade or color – With sample responsive to plural colors applied simultaneously
Patent

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Method and apparatus for sensing or determining one or more prop

Boots – shoes – and leggings
Patent

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Profile ID: LFUS-PAI-P-240050

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