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.

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What specifically motivated Josephine Cochrane to invent the dishwasher?What was the official patent document number for Cochrane's dishwasher?How was Cochrane’s 1886 dishwasher powered for operation?Which sector did Cochrane Manufacturing Company target initially for machine sales?What crucial factor distinguished Cochrane's design from earlier concepts?What industry was Josephine Cochrane's father, John Garis, involved in?What was the engineering breakthrough separating Cochrane's design from predecessors?When did Josephine Cochrane sell her company to the Hobart Manufacturing Company?What event showcased Cochrane's dishwasher to the wider public in 1893?How does Cochrane's motivation differ from a focus purely on labor reduction?