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

Douglas L. Milne

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Apparatus and method for indicating the thickness of record medi

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

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Apparatus for detecting multiple superposed sheets

Classifying – separating – and assorting solids – Sorting special items – and certain methods and apparatus for... – Sorting paper money
Patent

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Apparatus for detecting the passage of multiple superposed sheet

Boots – shoes – and leggings
Patent

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Apparatus for detecting the passage of multiple superposed sheet

Boots – shoes – and leggings
Patent

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Apparatus for detecting the passage of multiple superposed sheet

Sheet feeding or delivering – Feeding – With means to interrupt feeding
Patent

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Profile ID: LFUS-PAI-P-450581

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