4. Radiant energy
  5. Invisible radiant energy responsive electric signalling
  6. With means to inspect passive solid objects

John A. Dahlquist

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Coating weight measuring and control apparatus

Coating apparatus – Control means responsive to a randomly occurring sensed... – Condition of coated material
Patent

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Coating weight measuring and control apparatus and method

Coating apparatus – Control means responsive to a randomly occurring sensed... – Condition of coated material
Patent

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Gel point sensor

Radiant energy – Photocells; circuits and apparatus – With circuit for evaluating a web – strand – strip – or sheet
Reexamination Certificate

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Gloss gauge

Optics: measuring and testing – Of light reflection – By comparison
Patent

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Non-contact sensor and method using inductance and laser distanc

Electricity: measuring and testing – Magnetic – With means to create magnetic field to test material
Patent

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Profile ID: LFUS-PAI-P-186947

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