4. Liquid purification or separation
  5. With preliminary chemical manufacture

John M. Harvey

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Artificial pancreatic perfusion device

Liquid purification or separation – With preliminary chemical manufacture
Patent

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Composition and process to create foaming slag cover for molten

Specialized metallurgical processes – compositions for use therei – Compositions – Loose particulate mixture containing metal particles
Patent

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Method and apparatus for controlling a valve during a hazard...

Communications: electrical – Land vehicle alarms or indicators – External signal light system
Reexamination Certificate

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Profile ID: LFUS-PAI-P-840761

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