In 1886, she patented an invention that would in time become the dishwasher as we know it today. Nine of her incredible machines were exhibited, sold and used in restaurants. Some found a place in respected luxury hotels: the Baltimore Hotel in New York and the Tremor and Palmer House in Chicago. These first models were sold at between 700 and 1000 dollars. Driven by the desire to popularise her invention, Joséphine adapted a model for household use, sold at 350 dollars. That was just before her death in 1913.