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

James R. Van Sickle

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Interlock circuit override relay

Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Plural independently operable switches
Patent

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Level sensor for an air-spring shock absorber

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

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Pneumatic lumbar adjustment system

Chairs and seats – Bottom or back with means to alter contour – Providing support for lower back region
Patent

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Tender-mounted sound system for toy steam locomotive

Railways – Car-carried propulsion system – Electric
Patent

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Profile ID: LFUS-PAI-P-1352204

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