4. Mineral oils: processes and products
  5. Products and compositions
  6. Lubricating oils

Ancel W. Lewis, Jr.

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Air humidifying method and apparatus

Stoves and furnaces – Hot-air furnaces – Air moisteners
Patent

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Antenna making method

Metal working – Method of mechanical manufacture – Electrical device making
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Anti-pollution device for exhaust gases

Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Waste gas purifier
Patent

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Apparatus and method for blood separation

Surgery – Blood drawn and replaced or treated and returned to body
Patent

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Apparatus and method for cooking and smoking food

Foods and beverages: apparatus – Cooking – Collapsible – expansible or sectional support
Patent

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Profile ID: LFUS-PAI-P-22524

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