What was the official patent document number for Cochrane's dishwasher?

Answer

US355139A

Josephine Cochrane successfully secured official recognition for her innovative design when her first patent was granted in 1886. The specific identifying document for her invention, titled 'Dish-washing Machine,' was officially designated as US355139A. Receiving this patent was a crucial milestone, signifying that her engineering details provided a legally recognized, functional system that surpassed earlier, less successful attempts at mechanical dish cleaning, distinguishing her work significantly in the field.

What was the official patent document number for Cochrane's dishwasher?
inventioninventorpatentdishwasher