4. Package making
  5. Interrelated or safety controls

John L. Harris

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Adjustable interval cycle timer

Electricity: circuit makers and breakers – Retarded – Clock train
Patent

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Apparatus for hydraulic damping

Spring devices – Vehicle – Mechanical spring and nonresilient retarder
Patent

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Automatic chromatography apparatus

Liquid purification or separation – With means to add treating material – Chromatography
Patent

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Automatic chromatography process

Liquid purification or separation – Processes – Chromatography
Patent

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Automatic reset timer

Machine element or mechanism – Automatic operation or control – Retarded
Patent

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Profile ID: LFUS-PAI-P-4900

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