U.S. patent No. 4879 was issued to Norbert Rillieux for an improvement in sugar-making.
Norbert Rillieux was an inventor and engineer, is most noted for his invention of the multiple-effect evaporator, an energy-efficient means of evaporating water. This invention was an important development in the growth of the sugar industry.
Rillieux was a cousin of the painter Edgar Degas.
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