What year did Josephine Cochrane invent the dishwasher?
When did Josephine Cochrane patent the dishwasher?
I know of five different types: Canister; upright, stick, handheld and tank. There are probably further definitions and to be honest, tank and canister are very alike.
Why did josephine lochran want to invent a dishwasher?
The Walker Brothers invented the first electric dishwasher in 1913.