4. Baths, closets, sinks, and spittoons
  5. Strainer, stopper, plug or closure
  6. Combined strainer, plug, or valve

Leonard G. Ewing

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Apparatus for adjustably controlling the size of an ice bank

Refrigeration – Automatic control – By accumulation on freezing surface – e.g. – ice
Patent

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Drain hole strainer plug for ice cooled units

Baths – closets – sinks – and spittoons – Strainer – stopper – plug or closure – Combined strainer – plug – or valve
Patent

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Profile ID: LFUS-PAI-P-1102697

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